Home / 548,216,691.20-756,708,439.20-352,646,403.20

Finding the Fourth Proportional to 548,216,691.20, 756,708,439.20 and 352,646,403.20

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Solution

The fourth proportional to 548,216,691.20, 756,708,439.20 and 352,646,403.20 is: 486,761,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,216,691.20 : 756,708,439.20 = 352,646,403.20 : x
  2. Step 2: Convert to fraction form
    548,216,691.20/756,708,439.20 = 352,646,403.20/x
  3. Step 3: Cross multiply
    548,216,691.20x = 756,708,439.20 × 352,646,403.20
  4. Step 4: Simplify right side
    548,216,691.20x = 266,850,509,354,965,888
  5. Step 5: Solve for x
    x = 266,850,509,354,965,888/548,216,691.20
  6. Step 6: Final answer
    x = 486,761,008.26

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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.