Home / 612,381,222.38-918,577,149.57-197,858,087.93

Finding the Fourth Proportional to 612,381,222.38, 918,577,149.57 and 197,858,087.93

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Solution

The fourth proportional to 612,381,222.38, 918,577,149.57 and 197,858,087.93 is: 296,788,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,381,222.38 : 918,577,149.57 = 197,858,087.93 : x
  2. Step 2: Convert to fraction form
    612,381,222.38/918,577,149.57 = 197,858,087.93/x
  3. Step 3: Cross multiply
    612,381,222.38x = 918,577,149.57 × 197,858,087.93
  4. Step 4: Simplify right side
    612,381,222.38x = 181,747,918,425,516,960
  5. Step 5: Solve for x
    x = 181,747,918,425,516,960/612,381,222.38
  6. Step 6: Final answer
    x = 296,788,849.47

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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.