Home / 1,769,904,999.90-2,654,857,499.85-1,218,906,971.10

Finding the Fourth Proportional to 1,769,904,999.90, 2,654,857,499.85 and 1,218,906,971.10

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Solution

The fourth proportional to 1,769,904,999.90, 2,654,857,499.85 and 1,218,906,971.10 is: 1,828,360,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,904,999.90 : 2,654,857,499.85 = 1,218,906,971.10 : x
  2. Step 2: Convert to fraction form
    1,769,904,999.90/2,654,857,499.85 = 1,218,906,971.10/x
  3. Step 3: Cross multiply
    1,769,904,999.90x = 2,654,857,499.85 × 1,218,906,971.10
  4. Step 4: Simplify right side
    1,769,904,999.90x = 3,236,024,313,844,281,856
  5. Step 5: Solve for x
    x = 3,236,024,313,844,281,856/1,769,904,999.90
  6. Step 6: Final answer
    x = 1,828,360,456.65

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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.