Home / 650,350,987.92-897,460,331.16-352,986,845.60

Finding the Fourth Proportional to 650,350,987.92, 897,460,331.16 and 352,986,845.60

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Solution

The fourth proportional to 650,350,987.92, 897,460,331.16 and 352,986,845.60 is: 487,108,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,350,987.92 : 897,460,331.16 = 352,986,845.60 : x
  2. Step 2: Convert to fraction form
    650,350,987.92/897,460,331.16 = 352,986,845.60/x
  3. Step 3: Cross multiply
    650,350,987.92x = 897,460,331.16 × 352,986,845.60
  4. Step 4: Simplify right side
    650,350,987.92x = 316,791,691,347,299,776
  5. Step 5: Solve for x
    x = 316,791,691,347,299,776/650,350,987.92
  6. Step 6: Final answer
    x = 487,108,803.14

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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.