Home / 726,761,446.70-1,090,142,170.05-670,641,277.10

Finding the Fourth Proportional to 726,761,446.70, 1,090,142,170.05 and 670,641,277.10

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Solution

The fourth proportional to 726,761,446.70, 1,090,142,170.05 and 670,641,277.10 is: 1,005,961,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,761,446.70 : 1,090,142,170.05 = 670,641,277.10 : x
  2. Step 2: Convert to fraction form
    726,761,446.70/1,090,142,170.05 = 670,641,277.10/x
  3. Step 3: Cross multiply
    726,761,446.70x = 1,090,142,170.05 × 670,641,277.10
  4. Step 4: Simplify right side
    726,761,446.70x = 731,094,337,142,897,408
  5. Step 5: Solve for x
    x = 731,094,337,142,897,408/726,761,446.70
  6. Step 6: Final answer
    x = 1,005,961,915.65

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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.