Home / 458,423,477.32-687,202,947.66-228,174,892.60

Finding the Fourth Proportional to 458,423,477.32, 687,202,947.66 and 228,174,892.60

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Solution

The fourth proportional to 458,423,477.32, 687,202,947.66 and 228,174,892.60 is: 342,047,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,423,477.32 : 687,202,947.66 = 228,174,892.60 : x
  2. Step 2: Convert to fraction form
    458,423,477.32/687,202,947.66 = 228,174,892.60/x
  3. Step 3: Cross multiply
    458,423,477.32x = 687,202,947.66 × 228,174,892.60
  4. Step 4: Simplify right side
    458,423,477.32x = 156,802,458,776,723,904
  5. Step 5: Solve for x
    x = 156,802,458,776,723,904/458,423,477.32
  6. Step 6: Final answer
    x = 342,047,182.43

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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.