Home / 478,947,850.53-660,793,268.51-267,220,353.71

Finding the Fourth Proportional to 478,947,850.53, 660,793,268.51 and 267,220,353.71

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Solution

The fourth proportional to 478,947,850.53, 660,793,268.51 and 267,220,353.71 is: 368,677,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,947,850.53 : 660,793,268.51 = 267,220,353.71 : x
  2. Step 2: Convert to fraction form
    478,947,850.53/660,793,268.51 = 267,220,353.71/x
  3. Step 3: Cross multiply
    478,947,850.53x = 660,793,268.51 × 267,220,353.71
  4. Step 4: Simplify right side
    478,947,850.53x = 176,577,410,942,495,360
  5. Step 5: Solve for x
    x = 176,577,410,942,495,360/478,947,850.53
  6. Step 6: Final answer
    x = 368,677,739.65

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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.