Home / 724,374,973.70-1,086,562,460.55-668,414,236.40

Finding the Fourth Proportional to 724,374,973.70, 1,086,562,460.55 and 668,414,236.40

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Solution

The fourth proportional to 724,374,973.70, 1,086,562,460.55 and 668,414,236.40 is: 1,002,621,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,374,973.70 : 1,086,562,460.55 = 668,414,236.40 : x
  2. Step 2: Convert to fraction form
    724,374,973.70/1,086,562,460.55 = 668,414,236.40/x
  3. Step 3: Cross multiply
    724,374,973.70x = 1,086,562,460.55 × 668,414,236.40
  4. Step 4: Simplify right side
    724,374,973.70x = 726,273,817,369,433,344
  5. Step 5: Solve for x
    x = 726,273,817,369,433,344/724,374,973.70
  6. Step 6: Final answer
    x = 1,002,621,354.60

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Double scale
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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.