Home / 8,127,934,882.71-12,192,368,238.81-2,151,905,772.47

Finding the Fourth Proportional to 8,127,934,882.71, 12,192,368,238.81 and 2,151,905,772.47

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Solution

The fourth proportional to 8,127,934,882.71, 12,192,368,238.81 and 2,151,905,772.47 is: 3,227,982,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,934,882.71 : 12,192,368,238.81 = 2,151,905,772.47 : x
  2. Step 2: Convert to fraction form
    8,127,934,882.71/12,192,368,238.81 = 2,151,905,772.47/x
  3. Step 3: Cross multiply
    8,127,934,882.71x = 12,192,368,238.81 × 2,151,905,772.47
  4. Step 4: Simplify right side
    8,127,934,882.71x = 26,236,827,593,114,165,248
  5. Step 5: Solve for x
    x = 26,236,827,593,114,165,248/8,127,934,882.71
  6. Step 6: Final answer
    x = 3,227,982,011.63

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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.