Home / 2,987,238,378.30-4,480,857,567.45-1,609,743,306.30

Finding the Fourth Proportional to 2,987,238,378.30, 4,480,857,567.45 and 1,609,743,306.30

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Solution

The fourth proportional to 2,987,238,378.30, 4,480,857,567.45 and 1,609,743,306.30 is: 2,414,614,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,238,378.30 : 4,480,857,567.45 = 1,609,743,306.30 : x
  2. Step 2: Convert to fraction form
    2,987,238,378.30/4,480,857,567.45 = 1,609,743,306.30/x
  3. Step 3: Cross multiply
    2,987,238,378.30x = 4,480,857,567.45 × 1,609,743,306.30
  4. Step 4: Simplify right side
    2,987,238,378.30x = 7,213,030,475,686,337,536
  5. Step 5: Solve for x
    x = 7,213,030,475,686,337,536/2,987,238,378.30
  6. Step 6: Final answer
    x = 2,414,614,959.45

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Double scale
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1.5x scale

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.