Home / 1,375,631,082.24-1,898,352,105.48-780,910,374.48

Finding the Fourth Proportional to 1,375,631,082.24, 1,898,352,105.48 and 780,910,374.48

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Solution

The fourth proportional to 1,375,631,082.24, 1,898,352,105.48 and 780,910,374.48 is: 1,077,645,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,631,082.24 : 1,898,352,105.48 = 780,910,374.48 : x
  2. Step 2: Convert to fraction form
    1,375,631,082.24/1,898,352,105.48 = 780,910,374.48/x
  3. Step 3: Cross multiply
    1,375,631,082.24x = 1,898,352,105.48 × 780,910,374.48
  4. Step 4: Simplify right side
    1,375,631,082.24x = 1,482,442,853,585,283,328
  5. Step 5: Solve for x
    x = 1,482,442,853,585,283,328/1,375,631,082.24
  6. Step 6: Final answer
    x = 1,077,645,651.31

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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.