Home / 829,526,691.52-1,144,781,611.68-477,102,780.64

Finding the Fourth Proportional to 829,526,691.52, 1,144,781,611.68 and 477,102,780.64

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Solution

The fourth proportional to 829,526,691.52, 1,144,781,611.68 and 477,102,780.64 is: 658,421,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,526,691.52 : 1,144,781,611.68 = 477,102,780.64 : x
  2. Step 2: Convert to fraction form
    829,526,691.52/1,144,781,611.68 = 477,102,780.64/x
  3. Step 3: Cross multiply
    829,526,691.52x = 1,144,781,611.68 × 477,102,780.64
  4. Step 4: Simplify right side
    829,526,691.52x = 546,178,490,158,068,736
  5. Step 5: Solve for x
    x = 546,178,490,158,068,736/829,526,691.52
  6. Step 6: Final answer
    x = 658,421,839.52

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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.