Home / 663,693,669.60-995,540,504.40-172,366,623.60

Finding the Fourth Proportional to 663,693,669.60, 995,540,504.40 and 172,366,623.60

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Solution

The fourth proportional to 663,693,669.60, 995,540,504.40 and 172,366,623.60 is: 258,549,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,693,669.60 : 995,540,504.40 = 172,366,623.60 : x
  2. Step 2: Convert to fraction form
    663,693,669.60/995,540,504.40 = 172,366,623.60/x
  3. Step 3: Cross multiply
    663,693,669.60x = 995,540,504.40 × 172,366,623.60
  4. Step 4: Simplify right side
    663,693,669.60x = 171,597,955,400,468,928
  5. Step 5: Solve for x
    x = 171,597,955,400,468,928/663,693,669.60
  6. Step 6: Final answer
    x = 258,549,935.40

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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.