Home / 1,536,474,876.62-2,120,386,721.31-941,644,418.40

Finding the Fourth Proportional to 1,536,474,876.62, 2,120,386,721.31 and 941,644,418.40

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Solution

The fourth proportional to 1,536,474,876.62, 2,120,386,721.31 and 941,644,418.40 is: 1,299,500,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,474,876.62 : 2,120,386,721.31 = 941,644,418.40 : x
  2. Step 2: Convert to fraction form
    1,536,474,876.62/2,120,386,721.31 = 941,644,418.40/x
  3. Step 3: Cross multiply
    1,536,474,876.62x = 2,120,386,721.31 × 941,644,418.40
  4. Step 4: Simplify right side
    1,536,474,876.62x = 1,996,650,320,971,037,696
  5. Step 5: Solve for x
    x = 1,996,650,320,971,037,696/1,536,474,876.62
  6. Step 6: Final answer
    x = 1,299,500,793.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.