Home / 570,121,983.18-855,185,821.92-201,657,275.10

Finding the Fourth Proportional to 570,121,983.18, 855,185,821.92 and 201,657,275.10

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Solution

The fourth proportional to 570,121,983.18, 855,185,821.92 and 201,657,275.10 is: 302,486,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,121,983.18 : 855,185,821.92 = 201,657,275.10 : x
  2. Step 2: Convert to fraction form
    570,121,983.18/855,185,821.92 = 201,657,275.10/x
  3. Step 3: Cross multiply
    570,121,983.18x = 855,185,821.92 × 201,657,275.10
  4. Step 4: Simplify right side
    570,121,983.18x = 172,454,442,552,541,024
  5. Step 5: Solve for x
    x = 172,454,442,552,541,024/570,121,983.18
  6. Step 6: Final answer
    x = 302,486,919.71

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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.