Home / 862,732,000.40-1,294,098,000.60-724,982,493.20

Finding the Fourth Proportional to 862,732,000.40, 1,294,098,000.60 and 724,982,493.20

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Solution

The fourth proportional to 862,732,000.40, 1,294,098,000.60 and 724,982,493.20 is: 1,087,473,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,732,000.40 : 1,294,098,000.60 = 724,982,493.20 : x
  2. Step 2: Convert to fraction form
    862,732,000.40/1,294,098,000.60 = 724,982,493.20/x
  3. Step 3: Cross multiply
    862,732,000.40x = 1,294,098,000.60 × 724,982,493.20
  4. Step 4: Simplify right side
    862,732,000.40x = 938,198,394,920,123,136
  5. Step 5: Solve for x
    x = 938,198,394,920,123,136/862,732,000.40
  6. Step 6: Final answer
    x = 1,087,473,739.80

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1.5x scale

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.