Home / 352,543,246.40-528,988,663.20-158,591,921.60

Finding the Fourth Proportional to 352,543,246.40, 528,988,663.20 and 158,591,921.60

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Solution

The fourth proportional to 352,543,246.40, 528,988,663.20 and 158,591,921.60 is: 237,966,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,543,246.40 : 528,988,663.20 = 158,591,921.60 : x
  2. Step 2: Convert to fraction form
    352,543,246.40/528,988,663.20 = 158,591,921.60/x
  3. Step 3: Cross multiply
    352,543,246.40x = 528,988,663.20 × 158,591,921.60
  4. Step 4: Simplify right side
    352,543,246.40x = 83,893,328,601,503,200
  5. Step 5: Solve for x
    x = 83,893,328,601,503,200/352,543,246.40
  6. Step 6: Final answer
    x = 237,966,063.62

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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.