Home / 747,825,920.75-1,031,980,758.31-417,803,538.35

Finding the Fourth Proportional to 747,825,920.75, 1,031,980,758.31 and 417,803,538.35

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Solution

The fourth proportional to 747,825,920.75, 1,031,980,758.31 and 417,803,538.35 is: 576,558,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,825,920.75 : 1,031,980,758.31 = 417,803,538.35 : x
  2. Step 2: Convert to fraction form
    747,825,920.75/1,031,980,758.31 = 417,803,538.35/x
  3. Step 3: Cross multiply
    747,825,920.75x = 1,031,980,758.31 × 417,803,538.35
  4. Step 4: Simplify right side
    747,825,920.75x = 431,165,212,331,034,176
  5. Step 5: Solve for x
    x = 431,165,212,331,034,176/747,825,920.75
  6. Step 6: Final answer
    x = 576,558,260.91

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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.