Home / 418,751,279.42-577,881,042.08-230,597,070.17

Finding the Fourth Proportional to 418,751,279.42, 577,881,042.08 and 230,597,070.17

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Solution

The fourth proportional to 418,751,279.42, 577,881,042.08 and 230,597,070.17 is: 318,226,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,751,279.42 : 577,881,042.08 = 230,597,070.17 : x
  2. Step 2: Convert to fraction form
    418,751,279.42/577,881,042.08 = 230,597,070.17/x
  3. Step 3: Cross multiply
    418,751,279.42x = 577,881,042.08 × 230,597,070.17
  4. Step 4: Simplify right side
    418,751,279.42x = 133,257,675,206,392,096
  5. Step 5: Solve for x
    x = 133,257,675,206,392,096/418,751,279.42
  6. Step 6: Final answer
    x = 318,226,311.79

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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.