Home / 521,748,626,084.35-782,736,156,126.70-158,704,855,734.83

Finding the Fourth Proportional to 521,748,626,084.35, 782,736,156,126.70 and 158,704,855,734.83

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Solution

The fourth proportional to 521,748,626,084.35, 782,736,156,126.70 and 158,704,855,734.83 is: 238,091,721,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,748,626,084.35 : 782,736,156,126.70 = 158,704,855,734.83 : x
  2. Step 2: Convert to fraction form
    521,748,626,084.35/782,736,156,126.70 = 158,704,855,734.83/x
  3. Step 3: Cross multiply
    521,748,626,084.35x = 782,736,156,126.70 × 158,704,855,734.83
  4. Step 4: Simplify right side
    521,748,626,084.35x = 124,224,028,736,523,276,910,592
  5. Step 5: Solve for x
    x = 124,224,028,736,523,276,910,592/521,748,626,084.35
  6. Step 6: Final answer
    x = 238,091,721,810.19

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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.