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Finding the Fourth Proportional to 363,771,307.80, 545,656,961.70 and 133,710,498.90

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Solution

The fourth proportional to 363,771,307.80, 545,656,961.70 and 133,710,498.90 is: 200,565,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,771,307.80 : 545,656,961.70 = 133,710,498.90 : x
  2. Step 2: Convert to fraction form
    363,771,307.80/545,656,961.70 = 133,710,498.90/x
  3. Step 3: Cross multiply
    363,771,307.80x = 545,656,961.70 × 133,710,498.90
  4. Step 4: Simplify right side
    363,771,307.80x = 72,960,064,577,165,200
  5. Step 5: Solve for x
    x = 72,960,064,577,165,200/363,771,307.80
  6. Step 6: Final answer
    x = 200,565,748.35

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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.