Home / 354,328,236.10-531,492,354.15-318,615,400.90

Finding the Fourth Proportional to 354,328,236.10, 531,492,354.15 and 318,615,400.90

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Solution

The fourth proportional to 354,328,236.10, 531,492,354.15 and 318,615,400.90 is: 477,923,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,328,236.10 : 531,492,354.15 = 318,615,400.90 : x
  2. Step 2: Convert to fraction form
    354,328,236.10/531,492,354.15 = 318,615,400.90/x
  3. Step 3: Cross multiply
    354,328,236.10x = 531,492,354.15 × 318,615,400.90
  4. Step 4: Simplify right side
    354,328,236.10x = 169,341,649,492,787,008
  5. Step 5: Solve for x
    x = 169,341,649,492,787,008/354,328,236.10
  6. Step 6: Final answer
    x = 477,923,101.35

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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.