Home / 1,781,409,195.10-2,673,389,251.05-747,012,432.70

Finding the Fourth Proportional to 1,781,409,195.10, 2,673,389,251.05 and 747,012,432.70

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Solution

The fourth proportional to 1,781,409,195.10, 2,673,389,251.05 and 747,012,432.70 is: 1,121,053,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,409,195.10 : 2,673,389,251.05 = 747,012,432.70 : x
  2. Step 2: Convert to fraction form
    1,781,409,195.10/2,673,389,251.05 = 747,012,432.70/x
  3. Step 3: Cross multiply
    1,781,409,195.10x = 2,673,389,251.05 × 747,012,432.70
  4. Step 4: Simplify right side
    1,781,409,195.10x = 1,997,055,007,980,891,904
  5. Step 5: Solve for x
    x = 1,997,055,007,980,891,904/1,781,409,195.10
  6. Step 6: Final answer
    x = 1,121,053,497.13

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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.