Home / 1,434,287,871.91-1,979,265,007.38-799,175,548.63

Finding the Fourth Proportional to 1,434,287,871.91, 1,979,265,007.38 and 799,175,548.63

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Solution

The fourth proportional to 1,434,287,871.91, 1,979,265,007.38 and 799,175,548.63 is: 1,102,833,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,287,871.91 : 1,979,265,007.38 = 799,175,548.63 : x
  2. Step 2: Convert to fraction form
    1,434,287,871.91/1,979,265,007.38 = 799,175,548.63/x
  3. Step 3: Cross multiply
    1,434,287,871.91x = 1,979,265,007.38 × 799,175,548.63
  4. Step 4: Simplify right side
    1,434,287,871.91x = 1,581,780,198,157,072,640
  5. Step 5: Solve for x
    x = 1,581,780,198,157,072,640/1,434,287,871.91
  6. Step 6: Final answer
    x = 1,102,833,140.50

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Double scale
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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.