Home / 324,758,820.60-487,138,230.90-292,510,193.40

Finding the Fourth Proportional to 324,758,820.60, 487,138,230.90 and 292,510,193.40

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Solution

The fourth proportional to 324,758,820.60, 487,138,230.90 and 292,510,193.40 is: 438,765,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,758,820.60 : 487,138,230.90 = 292,510,193.40 : x
  2. Step 2: Convert to fraction form
    324,758,820.60/487,138,230.90 = 292,510,193.40/x
  3. Step 3: Cross multiply
    324,758,820.60x = 487,138,230.90 × 292,510,193.40
  4. Step 4: Simplify right side
    324,758,820.60x = 142,492,898,133,092,832
  5. Step 5: Solve for x
    x = 142,492,898,133,092,832/324,758,820.60
  6. Step 6: Final answer
    x = 438,765,290.10

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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.