Home / 792,086,543.10-1,188,129,814.65-724,006,107.90

Finding the Fourth Proportional to 792,086,543.10, 1,188,129,814.65 and 724,006,107.90

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Solution

The fourth proportional to 792,086,543.10, 1,188,129,814.65 and 724,006,107.90 is: 1,086,009,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,086,543.10 : 1,188,129,814.65 = 724,006,107.90 : x
  2. Step 2: Convert to fraction form
    792,086,543.10/1,188,129,814.65 = 724,006,107.90/x
  3. Step 3: Cross multiply
    792,086,543.10x = 1,188,129,814.65 × 724,006,107.90
  4. Step 4: Simplify right side
    792,086,543.10x = 860,213,242,784,694,912
  5. Step 5: Solve for x
    x = 860,213,242,784,694,912/792,086,543.10
  6. Step 6: Final answer
    x = 1,086,009,161.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.