Home / 359,280,141.32-538,838,899.31-165,004,790.60

Finding the Fourth Proportional to 359,280,141.32, 538,838,899.31 and 165,004,790.60

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Solution

The fourth proportional to 359,280,141.32, 538,838,899.31 and 165,004,790.60 is: 247,469,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,280,141.32 : 538,838,899.31 = 165,004,790.60 : x
  2. Step 2: Convert to fraction form
    359,280,141.32/538,838,899.31 = 165,004,790.60/x
  3. Step 3: Cross multiply
    359,280,141.32x = 538,838,899.31 × 165,004,790.60
  4. Step 4: Simplify right side
    359,280,141.32x = 88,910,999,744,261,808
  5. Step 5: Solve for x
    x = 88,910,999,744,261,808/359,280,141.32
  6. Step 6: Final answer
    x = 247,469,841.83

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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.