Home / 331,620,742.20-497,281,814.10-149,774,316.60

Finding the Fourth Proportional to 331,620,742.20, 497,281,814.10 and 149,774,316.60

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Solution

The fourth proportional to 331,620,742.20, 497,281,814.10 and 149,774,316.60 is: 224,594,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,620,742.20 : 497,281,814.10 = 149,774,316.60 : x
  2. Step 2: Convert to fraction form
    331,620,742.20/497,281,814.10 = 149,774,316.60/x
  3. Step 3: Cross multiply
    331,620,742.20x = 497,281,814.10 × 149,774,316.60
  4. Step 4: Simplify right side
    331,620,742.20x = 74,480,043,864,435,744
  5. Step 5: Solve for x
    x = 74,480,043,864,435,744/331,620,742.20
  6. Step 6: Final answer
    x = 224,594,044.90

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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.