Home / 612,091,892.03-918,192,974.92-197,578,541.39

Finding the Fourth Proportional to 612,091,892.03, 918,192,974.92 and 197,578,541.39

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Solution

The fourth proportional to 612,091,892.03, 918,192,974.92 and 197,578,541.39 is: 296,385,609.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,091,892.03 : 918,192,974.92 = 197,578,541.39 : x
  2. Step 2: Convert to fraction form
    612,091,892.03/918,192,974.92 = 197,578,541.39/x
  3. Step 3: Cross multiply
    612,091,892.03x = 918,192,974.92 × 197,578,541.39
  4. Step 4: Simplify right side
    612,091,892.03x = 181,415,228,694,153,536
  5. Step 5: Solve for x
    x = 181,415,228,694,153,536/612,091,892.03
  6. Step 6: Final answer
    x = 296,385,609.84

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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.