Home / 472,403,888.85-708,605,833.28-149,287,760.85

Finding the Fourth Proportional to 472,403,888.85, 708,605,833.28 and 149,287,760.85

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Solution

The fourth proportional to 472,403,888.85, 708,605,833.28 and 149,287,760.85 is: 223,931,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,403,888.85 : 708,605,833.28 = 149,287,760.85 : x
  2. Step 2: Convert to fraction form
    472,403,888.85/708,605,833.28 = 149,287,760.85/x
  3. Step 3: Cross multiply
    472,403,888.85x = 708,605,833.28 × 149,287,760.85
  4. Step 4: Simplify right side
    472,403,888.85x = 105,786,178,174,873,168
  5. Step 5: Solve for x
    x = 105,786,178,174,873,168/472,403,888.85
  6. Step 6: Final answer
    x = 223,931,641.28

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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.