Home / 556,540,591.85-768,324,191.95-429,102,935.91

Finding the Fourth Proportional to 556,540,591.85, 768,324,191.95 and 429,102,935.91

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Solution

The fourth proportional to 556,540,591.85, 768,324,191.95 and 429,102,935.91 is: 592,391,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,540,591.85 : 768,324,191.95 = 429,102,935.91 : x
  2. Step 2: Convert to fraction form
    556,540,591.85/768,324,191.95 = 429,102,935.91/x
  3. Step 3: Cross multiply
    556,540,591.85x = 768,324,191.95 × 429,102,935.91
  4. Step 4: Simplify right side
    556,540,591.85x = 329,690,166,496,959,744
  5. Step 5: Solve for x
    x = 329,690,166,496,959,744/556,540,591.85
  6. Step 6: Final answer
    x = 592,391,950.06

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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.