Home / 472,416,209.70-708,624,314.55-429,334,059.30

Finding the Fourth Proportional to 472,416,209.70, 708,624,314.55 and 429,334,059.30

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Solution

The fourth proportional to 472,416,209.70, 708,624,314.55 and 429,334,059.30 is: 644,001,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,416,209.70 : 708,624,314.55 = 429,334,059.30 : x
  2. Step 2: Convert to fraction form
    472,416,209.70/708,624,314.55 = 429,334,059.30/x
  3. Step 3: Cross multiply
    472,416,209.70x = 708,624,314.55 × 429,334,059.30
  4. Step 4: Simplify right side
    472,416,209.70x = 304,236,553,484,431,552
  5. Step 5: Solve for x
    x = 304,236,553,484,431,552/472,416,209.70
  6. Step 6: Final answer
    x = 644,001,088.95

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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.