Home / 418,751,279.46-577,881,042.03-230,597,070.12

Finding the Fourth Proportional to 418,751,279.46, 577,881,042.03 and 230,597,070.12

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Solution

The fourth proportional to 418,751,279.46, 577,881,042.03 and 230,597,070.12 is: 318,226,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,751,279.46 : 577,881,042.03 = 230,597,070.12 : x
  2. Step 2: Convert to fraction form
    418,751,279.46/577,881,042.03 = 230,597,070.12/x
  3. Step 3: Cross multiply
    418,751,279.46x = 577,881,042.03 × 230,597,070.12
  4. Step 4: Simplify right side
    418,751,279.46x = 133,257,675,170,010,576
  5. Step 5: Solve for x
    x = 133,257,675,170,010,576/418,751,279.46
  6. Step 6: Final answer
    x = 318,226,311.67

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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.