Home / 966,087,449.60-1,449,131,174.40-319,855,193.60

Finding the Fourth Proportional to 966,087,449.60, 1,449,131,174.40 and 319,855,193.60

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Solution

The fourth proportional to 966,087,449.60, 1,449,131,174.40 and 319,855,193.60 is: 479,782,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,087,449.60 : 1,449,131,174.40 = 319,855,193.60 : x
  2. Step 2: Convert to fraction form
    966,087,449.60/1,449,131,174.40 = 319,855,193.60/x
  3. Step 3: Cross multiply
    966,087,449.60x = 1,449,131,174.40 × 319,855,193.60
  4. Step 4: Simplify right side
    966,087,449.60x = 463,512,132,339,507,456
  5. Step 5: Solve for x
    x = 463,512,132,339,507,456/966,087,449.60
  6. Step 6: Final answer
    x = 479,782,790.40

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Half scale
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Double scale
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Similar ratio
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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.