Home / 1,185,650,287.56-1,636,207,003.80-657,023,103.72

Finding the Fourth Proportional to 1,185,650,287.56, 1,636,207,003.80 and 657,023,103.72

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Solution

The fourth proportional to 1,185,650,287.56, 1,636,207,003.80 and 657,023,103.72 is: 906,697,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,650,287.56 : 1,636,207,003.80 = 657,023,103.72 : x
  2. Step 2: Convert to fraction form
    1,185,650,287.56/1,636,207,003.80 = 657,023,103.72/x
  3. Step 3: Cross multiply
    1,185,650,287.56x = 1,636,207,003.80 × 657,023,103.72
  4. Step 4: Simplify right side
    1,185,650,287.56x = 1,075,025,803,965,077,888
  5. Step 5: Solve for x
    x = 1,075,025,803,965,077,888/1,185,650,287.56
  6. Step 6: Final answer
    x = 906,697,206.79

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.