Home / 314,906,408.20-472,359,612.30-199,973,434.60

Finding the Fourth Proportional to 314,906,408.20, 472,359,612.30 and 199,973,434.60

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Solution

The fourth proportional to 314,906,408.20, 472,359,612.30 and 199,973,434.60 is: 299,960,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,906,408.20 : 472,359,612.30 = 199,973,434.60 : x
  2. Step 2: Convert to fraction form
    314,906,408.20/472,359,612.30 = 199,973,434.60/x
  3. Step 3: Cross multiply
    314,906,408.20x = 472,359,612.30 × 199,973,434.60
  4. Step 4: Simplify right side
    314,906,408.20x = 94,459,374,037,955,408
  5. Step 5: Solve for x
    x = 94,459,374,037,955,408/314,906,408.20
  6. Step 6: Final answer
    x = 299,960,151.90

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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.