Home / 611,997,884.92-918,176,936.08-197,466,929.76

Finding the Fourth Proportional to 611,997,884.92, 918,176,936.08 and 197,466,929.76

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Solution

The fourth proportional to 611,997,884.92, 918,176,936.08 and 197,466,929.76 is: 296,258,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,997,884.92 : 918,176,936.08 = 197,466,929.76 : x
  2. Step 2: Convert to fraction form
    611,997,884.92/918,176,936.08 = 197,466,929.76/x
  3. Step 3: Cross multiply
    611,997,884.92x = 918,176,936.08 × 197,466,929.76
  4. Step 4: Simplify right side
    611,997,884.92x = 181,309,580,544,161,376
  5. Step 5: Solve for x
    x = 181,309,580,544,161,376/611,997,884.92
  6. Step 6: Final answer
    x = 296,258,508.42

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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.