Home / 724,024,356.40-1,086,036,534.60-667,337,316.40

Finding the Fourth Proportional to 724,024,356.40, 1,086,036,534.60 and 667,337,316.40

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Solution

The fourth proportional to 724,024,356.40, 1,086,036,534.60 and 667,337,316.40 is: 1,001,005,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,024,356.40 : 1,086,036,534.60 = 667,337,316.40 : x
  2. Step 2: Convert to fraction form
    724,024,356.40/1,086,036,534.60 = 667,337,316.40/x
  3. Step 3: Cross multiply
    724,024,356.40x = 1,086,036,534.60 × 667,337,316.40
  4. Step 4: Simplify right side
    724,024,356.40x = 724,752,706,512,319,616
  5. Step 5: Solve for x
    x = 724,752,706,512,319,616/724,024,356.40
  6. Step 6: Final answer
    x = 1,001,005,974.60

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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.