Home / 491,110,170.68-736,781,376.60-159,116,643.56

Finding the Fourth Proportional to 491,110,170.68, 736,781,376.60 and 159,116,643.56

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Solution

The fourth proportional to 491,110,170.68, 736,781,376.60 and 159,116,643.56 is: 238,712,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,110,170.68 : 736,781,376.60 = 159,116,643.56 : x
  2. Step 2: Convert to fraction form
    491,110,170.68/736,781,376.60 = 159,116,643.56/x
  3. Step 3: Cross multiply
    491,110,170.68x = 736,781,376.60 × 159,116,643.56
  4. Step 4: Simplify right side
    491,110,170.68x = 117,234,179,678,424,432
  5. Step 5: Solve for x
    x = 117,234,179,678,424,432/491,110,170.68
  6. Step 6: Final answer
    x = 238,712,587.68

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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.