Home / 611,997,885-918,176,936.20-197,466,929.82

Finding the Fourth Proportional to 611,997,885, 918,176,936.20 and 197,466,929.82

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Solution

The fourth proportional to 611,997,885, 918,176,936.20 and 197,466,929.82 is: 296,258,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,997,885 : 918,176,936.20 = 197,466,929.82 : x
  2. Step 2: Convert to fraction form
    611,997,885/918,176,936.20 = 197,466,929.82/x
  3. Step 3: Cross multiply
    611,997,885x = 918,176,936.20 × 197,466,929.82
  4. Step 4: Simplify right side
    611,997,885x = 181,309,580,622,948,032
  5. Step 5: Solve for x
    x = 181,309,580,622,948,032/611,997,885
  6. Step 6: Final answer
    x = 296,258,508.51

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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.