Home / 906,390,098.70-1,359,585,148.05-724,991,570.70

Finding the Fourth Proportional to 906,390,098.70, 1,359,585,148.05 and 724,991,570.70

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Solution

The fourth proportional to 906,390,098.70, 1,359,585,148.05 and 724,991,570.70 is: 1,087,487,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,390,098.70 : 1,359,585,148.05 = 724,991,570.70 : x
  2. Step 2: Convert to fraction form
    906,390,098.70/1,359,585,148.05 = 724,991,570.70/x
  3. Step 3: Cross multiply
    906,390,098.70x = 1,359,585,148.05 × 724,991,570.70
  4. Step 4: Simplify right side
    906,390,098.70x = 985,687,771,985,161,600
  5. Step 5: Solve for x
    x = 985,687,771,985,161,600/906,390,098.70
  6. Step 6: Final answer
    x = 1,087,487,356.05

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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.