Home / 445,723,541.55-615,099,683.16-247,485,419.73

Finding the Fourth Proportional to 445,723,541.55, 615,099,683.16 and 247,485,419.73

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Solution

The fourth proportional to 445,723,541.55, 615,099,683.16 and 247,485,419.73 is: 341,530,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,723,541.55 : 615,099,683.16 = 247,485,419.73 : x
  2. Step 2: Convert to fraction form
    445,723,541.55/615,099,683.16 = 247,485,419.73/x
  3. Step 3: Cross multiply
    445,723,541.55x = 615,099,683.16 × 247,485,419.73
  4. Step 4: Simplify right side
    445,723,541.55x = 152,228,203,262,642,592
  5. Step 5: Solve for x
    x = 152,228,203,262,642,592/445,723,541.55
  6. Step 6: Final answer
    x = 341,530,543.20

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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.