Home / 1,106,943,555,649.60-1,660,415,333,474.40-311,956,712,221.60

Finding the Fourth Proportional to 1,106,943,555,649.60, 1,660,415,333,474.40 and 311,956,712,221.60

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Solution

The fourth proportional to 1,106,943,555,649.60, 1,660,415,333,474.40 and 311,956,712,221.60 is: 467,935,068,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,943,555,649.60 : 1,660,415,333,474.40 = 311,956,712,221.60 : x
  2. Step 2: Convert to fraction form
    1,106,943,555,649.60/1,660,415,333,474.40 = 311,956,712,221.60/x
  3. Step 3: Cross multiply
    1,106,943,555,649.60x = 1,660,415,333,474.40 × 311,956,712,221.60
  4. Step 4: Simplify right side
    1,106,943,555,649.60x = 517,977,708,353,005,329,317,888
  5. Step 5: Solve for x
    x = 517,977,708,353,005,329,317,888/1,106,943,555,649.60
  6. Step 6: Final answer
    x = 467,935,068,332.40

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Double scale
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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.