Home / 447,862,905.60-671,746,600.80-156,735,589.20

Finding the Fourth Proportional to 447,862,905.60, 671,746,600.80 and 156,735,589.20

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Solution

The fourth proportional to 447,862,905.60, 671,746,600.80 and 156,735,589.20 is: 235,086,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,862,905.60 : 671,746,600.80 = 156,735,589.20 : x
  2. Step 2: Convert to fraction form
    447,862,905.60/671,746,600.80 = 156,735,589.20/x
  3. Step 3: Cross multiply
    447,862,905.60x = 671,746,600.80 × 156,735,589.20
  4. Step 4: Simplify right side
    447,862,905.60x = 105,286,599,269,485,168
  5. Step 5: Solve for x
    x = 105,286,599,269,485,168/447,862,905.60
  6. Step 6: Final answer
    x = 235,086,670.39

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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.