Home / 6,766,262,128.50-10,159,356,319.11-3,784,167,819.78

Finding the Fourth Proportional to 6,766,262,128.50, 10,159,356,319.11 and 3,784,167,819.78

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Solution

The fourth proportional to 6,766,262,128.50, 10,159,356,319.11 and 3,784,167,819.78 is: 5,681,823,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766,262,128.50 : 10,159,356,319.11 = 3,784,167,819.78 : x
  2. Step 2: Convert to fraction form
    6,766,262,128.50/10,159,356,319.11 = 3,784,167,819.78/x
  3. Step 3: Cross multiply
    6,766,262,128.50x = 10,159,356,319.11 × 3,784,167,819.78
  4. Step 4: Simplify right side
    6,766,262,128.50x = 38,444,709,252,454,662,144
  5. Step 5: Solve for x
    x = 38,444,709,252,454,662,144/6,766,262,128.50
  6. Step 6: Final answer
    x = 5,681,823,807.94

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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.