Home / 440,687,785.04-608,149,115.57-242,445,026.93

Finding the Fourth Proportional to 440,687,785.04, 608,149,115.57 and 242,445,026.93

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Solution

The fourth proportional to 440,687,785.04, 608,149,115.57 and 242,445,026.93 is: 334,574,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,687,785.04 : 608,149,115.57 = 242,445,026.93 : x
  2. Step 2: Convert to fraction form
    440,687,785.04/608,149,115.57 = 242,445,026.93/x
  3. Step 3: Cross multiply
    440,687,785.04x = 608,149,115.57 × 242,445,026.93
  4. Step 4: Simplify right side
    440,687,785.04x = 147,442,728,702,807,488
  5. Step 5: Solve for x
    x = 147,442,728,702,807,488/440,687,785.04
  6. Step 6: Final answer
    x = 334,574,121.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.