Home / 1,338,387,816.16-1,846,894,219.68-743,651,964.64

Finding the Fourth Proportional to 1,338,387,816.16, 1,846,894,219.68 and 743,651,964.64

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Solution

The fourth proportional to 1,338,387,816.16, 1,846,894,219.68 and 743,651,964.64 is: 1,026,194,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,387,816.16 : 1,846,894,219.68 = 743,651,964.64 : x
  2. Step 2: Convert to fraction form
    1,338,387,816.16/1,846,894,219.68 = 743,651,964.64/x
  3. Step 3: Cross multiply
    1,338,387,816.16x = 1,846,894,219.68 × 743,651,964.64
  4. Step 4: Simplify right side
    1,338,387,816.16x = 1,373,446,514,947,291,648
  5. Step 5: Solve for x
    x = 1,373,446,514,947,291,648/1,338,387,816.16
  6. Step 6: Final answer
    x = 1,026,194,723.51

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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.