Home / 896,869,891.80-1,345,304,837.70-827,995,138.20

Finding the Fourth Proportional to 896,869,891.80, 1,345,304,837.70 and 827,995,138.20

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Solution

The fourth proportional to 896,869,891.80, 1,345,304,837.70 and 827,995,138.20 is: 1,241,992,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,869,891.80 : 1,345,304,837.70 = 827,995,138.20 : x
  2. Step 2: Convert to fraction form
    896,869,891.80/1,345,304,837.70 = 827,995,138.20/x
  3. Step 3: Cross multiply
    896,869,891.80x = 1,345,304,837.70 × 827,995,138.20
  4. Step 4: Simplify right side
    896,869,891.80x = 1,113,905,865,012,540,160
  5. Step 5: Solve for x
    x = 1,113,905,865,012,540,160/896,869,891.80
  6. Step 6: Final answer
    x = 1,241,992,707.30

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1.5x scale

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.