Home / 792,087,534.60-1,188,131,301.90-724,007,099.40

Finding the Fourth Proportional to 792,087,534.60, 1,188,131,301.90 and 724,007,099.40

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Solution

The fourth proportional to 792,087,534.60, 1,188,131,301.90 and 724,007,099.40 is: 1,086,010,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,087,534.60 : 1,188,131,301.90 = 724,007,099.40 : x
  2. Step 2: Convert to fraction form
    792,087,534.60/1,188,131,301.90 = 724,007,099.40/x
  3. Step 3: Cross multiply
    792,087,534.60x = 1,188,131,301.90 × 724,007,099.40
  4. Step 4: Simplify right side
    792,087,534.60x = 860,215,497,594,964,736
  5. Step 5: Solve for x
    x = 860,215,497,594,964,736/792,087,534.60
  6. Step 6: Final answer
    x = 1,086,010,649.10

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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.