Home / 1,005,129,430.20-1,507,694,145.30-488,568,778.20

Finding the Fourth Proportional to 1,005,129,430.20, 1,507,694,145.30 and 488,568,778.20

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Solution

The fourth proportional to 1,005,129,430.20, 1,507,694,145.30 and 488,568,778.20 is: 732,853,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,129,430.20 : 1,507,694,145.30 = 488,568,778.20 : x
  2. Step 2: Convert to fraction form
    1,005,129,430.20/1,507,694,145.30 = 488,568,778.20/x
  3. Step 3: Cross multiply
    1,005,129,430.20x = 1,507,694,145.30 × 488,568,778.20
  4. Step 4: Simplify right side
    1,005,129,430.20x = 736,612,286,468,514,176
  5. Step 5: Solve for x
    x = 736,612,286,468,514,176/1,005,129,430.20
  6. Step 6: Final answer
    x = 732,853,167.30

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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.