Home / 472,829,432.80-709,244,149.20-291,430,904.80

Finding the Fourth Proportional to 472,829,432.80, 709,244,149.20 and 291,430,904.80

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Solution

The fourth proportional to 472,829,432.80, 709,244,149.20 and 291,430,904.80 is: 437,146,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,829,432.80 : 709,244,149.20 = 291,430,904.80 : x
  2. Step 2: Convert to fraction form
    472,829,432.80/709,244,149.20 = 291,430,904.80/x
  3. Step 3: Cross multiply
    472,829,432.80x = 709,244,149.20 × 291,430,904.80
  4. Step 4: Simplify right side
    472,829,432.80x = 206,695,664,125,462,208
  5. Step 5: Solve for x
    x = 206,695,664,125,462,208/472,829,432.80
  6. Step 6: Final answer
    x = 437,146,357.20

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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.