Home / 289,641,619.64-399,719,795.82-179,668,762.04

Finding the Fourth Proportional to 289,641,619.64, 399,719,795.82 and 179,668,762.04

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Solution

The fourth proportional to 289,641,619.64, 399,719,795.82 and 179,668,762.04 is: 247,951,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,641,619.64 : 399,719,795.82 = 179,668,762.04 : x
  2. Step 2: Convert to fraction form
    289,641,619.64/399,719,795.82 = 179,668,762.04/x
  3. Step 3: Cross multiply
    289,641,619.64x = 399,719,795.82 × 179,668,762.04
  4. Step 4: Simplify right side
    289,641,619.64x = 71,817,160,877,860,960
  5. Step 5: Solve for x
    x = 71,817,160,877,860,960/289,641,619.64
  6. Step 6: Final answer
    x = 247,951,799.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.