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Finding the Fourth Proportional to 423,541,701.60, 635,312,552.40 and 423,541,701.60

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Solution

The fourth proportional to 423,541,701.60, 635,312,552.40 and 423,541,701.60 is: 635,312,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,541,701.60 : 635,312,552.40 = 423,541,701.60 : x
  2. Step 2: Convert to fraction form
    423,541,701.60/635,312,552.40 = 423,541,701.60/x
  3. Step 3: Cross multiply
    423,541,701.60x = 635,312,552.40 × 423,541,701.60
  4. Step 4: Simplify right side
    423,541,701.60x = 269,081,359,491,335,168
  5. Step 5: Solve for x
    x = 269,081,359,491,335,168/423,541,701.60
  6. Step 6: Final answer
    x = 635,312,552.40

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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.