Home / 6,688,321,780.38-10,025,855,865.09-3,140,712,649.28

Finding the Fourth Proportional to 6,688,321,780.38, 10,025,855,865.09 and 3,140,712,649.28

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Solution

The fourth proportional to 6,688,321,780.38, 10,025,855,865.09 and 3,140,712,649.28 is: 4,707,957,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,321,780.38 : 10,025,855,865.09 = 3,140,712,649.28 : x
  2. Step 2: Convert to fraction form
    6,688,321,780.38/10,025,855,865.09 = 3,140,712,649.28/x
  3. Step 3: Cross multiply
    6,688,321,780.38x = 10,025,855,865.09 × 3,140,712,649.28
  4. Step 4: Simplify right side
    6,688,321,780.38x = 31,488,332,335,296,110,592
  5. Step 5: Solve for x
    x = 31,488,332,335,296,110,592/6,688,321,780.38
  6. Step 6: Final answer
    x = 4,707,957,148.18

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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.