Home / 791,558,723.50-1,091,897,200.53-493,683,819.08

Finding the Fourth Proportional to 791,558,723.50, 1,091,897,200.53 and 493,683,819.08

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Solution

The fourth proportional to 791,558,723.50, 1,091,897,200.53 and 493,683,819.08 is: 681,000,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,558,723.50 : 1,091,897,200.53 = 493,683,819.08 : x
  2. Step 2: Convert to fraction form
    791,558,723.50/1,091,897,200.53 = 493,683,819.08/x
  3. Step 3: Cross multiply
    791,558,723.50x = 1,091,897,200.53 × 493,683,819.08
  4. Step 4: Simplify right side
    791,558,723.50x = 539,051,979,994,951,488
  5. Step 5: Solve for x
    x = 539,051,979,994,951,488/791,558,723.50
  6. Step 6: Final answer
    x = 681,000,618.14

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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.