Home / 1,542,936,724.43-2,129,429,316.83-864,936,796.40

Finding the Fourth Proportional to 1,542,936,724.43, 2,129,429,316.83 and 864,936,796.40

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Solution

The fourth proportional to 1,542,936,724.43, 2,129,429,316.83 and 864,936,796.40 is: 1,193,711,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,936,724.43 : 2,129,429,316.83 = 864,936,796.40 : x
  2. Step 2: Convert to fraction form
    1,542,936,724.43/2,129,429,316.83 = 864,936,796.40/x
  3. Step 3: Cross multiply
    1,542,936,724.43x = 2,129,429,316.83 × 864,936,796.40
  4. Step 4: Simplify right side
    1,542,936,724.43x = 1,841,821,771,452,194,304
  5. Step 5: Solve for x
    x = 1,841,821,771,452,194,304/1,542,936,724.43
  6. Step 6: Final answer
    x = 1,193,711,797.96

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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.