Home / 703,967,438.40-1,055,951,157.60-656,191,694.40

Finding the Fourth Proportional to 703,967,438.40, 1,055,951,157.60 and 656,191,694.40

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Solution

The fourth proportional to 703,967,438.40, 1,055,951,157.60 and 656,191,694.40 is: 984,287,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,967,438.40 : 1,055,951,157.60 = 656,191,694.40 : x
  2. Step 2: Convert to fraction form
    703,967,438.40/1,055,951,157.60 = 656,191,694.40/x
  3. Step 3: Cross multiply
    703,967,438.40x = 1,055,951,157.60 × 656,191,694.40
  4. Step 4: Simplify right side
    703,967,438.40x = 692,906,379,309,185,408
  5. Step 5: Solve for x
    x = 692,906,379,309,185,408/703,967,438.40
  6. Step 6: Final answer
    x = 984,287,541.60

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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.