Home / 423,547,593.60-635,321,390.40-193,965,081.60

Finding the Fourth Proportional to 423,547,593.60, 635,321,390.40 and 193,965,081.60

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Solution

The fourth proportional to 423,547,593.60, 635,321,390.40 and 193,965,081.60 is: 290,947,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,547,593.60 : 635,321,390.40 = 193,965,081.60 : x
  2. Step 2: Convert to fraction form
    423,547,593.60/635,321,390.40 = 193,965,081.60/x
  3. Step 3: Cross multiply
    423,547,593.60x = 635,321,390.40 × 193,965,081.60
  4. Step 4: Simplify right side
    423,547,593.60x = 123,230,165,331,161,456
  5. Step 5: Solve for x
    x = 123,230,165,331,161,456/423,547,593.60
  6. Step 6: Final answer
    x = 290,947,622.40

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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.