Home / 1,120,282,412.20-1,680,400,542.31-373,352,426.89

Finding the Fourth Proportional to 1,120,282,412.20, 1,680,400,542.31 and 373,352,426.89

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Solution

The fourth proportional to 1,120,282,412.20, 1,680,400,542.31 and 373,352,426.89 is: 560,020,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,282,412.20 : 1,680,400,542.31 = 373,352,426.89 : x
  2. Step 2: Convert to fraction form
    1,120,282,412.20/1,680,400,542.31 = 373,352,426.89/x
  3. Step 3: Cross multiply
    1,120,282,412.20x = 1,680,400,542.31 × 373,352,426.89
  4. Step 4: Simplify right side
    1,120,282,412.20x = 627,381,620,613,576,192
  5. Step 5: Solve for x
    x = 627,381,620,613,576,192/1,120,282,412.20
  6. Step 6: Final answer
    x = 560,020,949.88

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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.