Home / 579,416,726.80-869,125,090.20-307,318,934.80

Finding the Fourth Proportional to 579,416,726.80, 869,125,090.20 and 307,318,934.80

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Solution

The fourth proportional to 579,416,726.80, 869,125,090.20 and 307,318,934.80 is: 460,978,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,416,726.80 : 869,125,090.20 = 307,318,934.80 : x
  2. Step 2: Convert to fraction form
    579,416,726.80/869,125,090.20 = 307,318,934.80/x
  3. Step 3: Cross multiply
    579,416,726.80x = 869,125,090.20 × 307,318,934.80
  4. Step 4: Simplify right side
    579,416,726.80x = 267,098,596,928,217,952
  5. Step 5: Solve for x
    x = 267,098,596,928,217,952/579,416,726.80
  6. Step 6: Final answer
    x = 460,978,402.20

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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.