Home / 256,593,144,718.68-384,904,425,691.85-67,934,137,978.27

Finding the Fourth Proportional to 256,593,144,718.68, 384,904,425,691.85 and 67,934,137,978.27

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Solution

The fourth proportional to 256,593,144,718.68, 384,904,425,691.85 and 67,934,137,978.27 is: 101,905,101,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,593,144,718.68 : 384,904,425,691.85 = 67,934,137,978.27 : x
  2. Step 2: Convert to fraction form
    256,593,144,718.68/384,904,425,691.85 = 67,934,137,978.27/x
  3. Step 3: Cross multiply
    256,593,144,718.68x = 384,904,425,691.85 × 67,934,137,978.27
  4. Step 4: Simplify right side
    256,593,144,718.68x = 26,148,150,363,396,908,253,184
  5. Step 5: Solve for x
    x = 26,148,150,363,396,908,253,184/256,593,144,718.68
  6. Step 6: Final answer
    x = 101,905,101,136.14

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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.