Home / 1,769,904,948.40-2,654,857,422.60-1,218,906,919.60

Finding the Fourth Proportional to 1,769,904,948.40, 2,654,857,422.60 and 1,218,906,919.60

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Solution

The fourth proportional to 1,769,904,948.40, 2,654,857,422.60 and 1,218,906,919.60 is: 1,828,360,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,904,948.40 : 2,654,857,422.60 = 1,218,906,919.60 : x
  2. Step 2: Convert to fraction form
    1,769,904,948.40/2,654,857,422.60 = 1,218,906,919.60/x
  3. Step 3: Cross multiply
    1,769,904,948.40x = 2,654,857,422.60 × 1,218,906,919.60
  4. Step 4: Simplify right side
    1,769,904,948.40x = 3,236,024,082,958,561,280
  5. Step 5: Solve for x
    x = 3,236,024,082,958,561,280/1,769,904,948.40
  6. Step 6: Final answer
    x = 1,828,360,379.40

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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.