Home / 1,442,104,178.12-2,162,853,590.16-406,722,921.20

Finding the Fourth Proportional to 1,442,104,178.12, 2,162,853,590.16 and 406,722,921.20

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Solution

The fourth proportional to 1,442,104,178.12, 2,162,853,590.16 and 406,722,921.20 is: 609,999,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,104,178.12 : 2,162,853,590.16 = 406,722,921.20 : x
  2. Step 2: Convert to fraction form
    1,442,104,178.12/2,162,853,590.16 = 406,722,921.20/x
  3. Step 3: Cross multiply
    1,442,104,178.12x = 2,162,853,590.16 × 406,722,921.20
  4. Step 4: Simplify right side
    1,442,104,178.12x = 879,682,130,317,782,656
  5. Step 5: Solve for x
    x = 879,682,130,317,782,656/1,442,104,178.12
  6. Step 6: Final answer
    x = 609,999,016.48

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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.