Home / 256,593,144,717.18-384,904,425,689.60-67,934,137,976.77

Finding the Fourth Proportional to 256,593,144,717.18, 384,904,425,689.60 and 67,934,137,976.77

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Solution

The fourth proportional to 256,593,144,717.18, 384,904,425,689.60 and 67,934,137,976.77 is: 101,905,101,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,593,144,717.18 : 384,904,425,689.60 = 67,934,137,976.77 : x
  2. Step 2: Convert to fraction form
    256,593,144,717.18/384,904,425,689.60 = 67,934,137,976.77/x
  3. Step 3: Cross multiply
    256,593,144,717.18x = 384,904,425,689.60 × 67,934,137,976.77
  4. Step 4: Simplify right side
    256,593,144,717.18x = 26,148,150,362,668,240,207,872
  5. Step 5: Solve for x
    x = 26,148,150,362,668,240,207,872/256,593,144,717.18
  6. Step 6: Final answer
    x = 101,905,101,133.89

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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.