Home / 781,257,845.94-1,176,563,522.85-711,522,157.92

Finding the Fourth Proportional to 781,257,845.94, 1,176,563,522.85 and 711,522,157.92

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Solution

The fourth proportional to 781,257,845.94, 1,176,563,522.85 and 711,522,157.92 is: 1,071,542,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,257,845.94 : 1,176,563,522.85 = 711,522,157.92 : x
  2. Step 2: Convert to fraction form
    781,257,845.94/1,176,563,522.85 = 711,522,157.92/x
  3. Step 3: Cross multiply
    781,257,845.94x = 1,176,563,522.85 × 711,522,157.92
  4. Step 4: Simplify right side
    781,257,845.94x = 837,151,016,708,189,056
  5. Step 5: Solve for x
    x = 837,151,016,708,189,056/781,257,845.94
  6. Step 6: Final answer
    x = 1,071,542,540.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.