Home / 12,127,595,009.40-18,191,392,514.10-2,936,736,257.40

Finding the Fourth Proportional to 12,127,595,009.40, 18,191,392,514.10 and 2,936,736,257.40

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Solution

The fourth proportional to 12,127,595,009.40, 18,191,392,514.10 and 2,936,736,257.40 is: 4,405,104,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,595,009.40 : 18,191,392,514.10 = 2,936,736,257.40 : x
  2. Step 2: Convert to fraction form
    12,127,595,009.40/18,191,392,514.10 = 2,936,736,257.40/x
  3. Step 3: Cross multiply
    12,127,595,009.40x = 18,191,392,514.10 × 2,936,736,257.40
  4. Step 4: Simplify right side
    12,127,595,009.40x = 53,423,321,968,752,410,624
  5. Step 5: Solve for x
    x = 53,423,321,968,752,410,624/12,127,595,009.40
  6. Step 6: Final answer
    x = 4,405,104,386.10

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Half scale
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Double scale
Find fourth proportional to 12,127,595,010.40, 18,191,392,515.60 and 2,936,736,258.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.