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Finding the Fourth Proportional to 1,067,708,908.60, 1,601,563,362.90 and 838,385,337.40

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Solution

The fourth proportional to 1,067,708,908.60, 1,601,563,362.90 and 838,385,337.40 is: 1,257,578,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,708,908.60 : 1,601,563,362.90 = 838,385,337.40 : x
  2. Step 2: Convert to fraction form
    1,067,708,908.60/1,601,563,362.90 = 838,385,337.40/x
  3. Step 3: Cross multiply
    1,067,708,908.60x = 1,601,563,362.90 × 838,385,337.40
  4. Step 4: Simplify right side
    1,067,708,908.60x = 1,342,727,240,372,395,264
  5. Step 5: Solve for x
    x = 1,342,727,240,372,395,264/1,067,708,908.60
  6. Step 6: Final answer
    x = 1,257,578,006.10

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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.