Home / 418,962,148.20-628,495,396.83-142,592,124.60

Finding the Fourth Proportional to 418,962,148.20, 628,495,396.83 and 142,592,124.60

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Solution

The fourth proportional to 418,962,148.20, 628,495,396.83 and 142,592,124.60 is: 213,905,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,962,148.20 : 628,495,396.83 = 142,592,124.60 : x
  2. Step 2: Convert to fraction form
    418,962,148.20/628,495,396.83 = 142,592,124.60/x
  3. Step 3: Cross multiply
    418,962,148.20x = 628,495,396.83 × 142,592,124.60
  4. Step 4: Simplify right side
    418,962,148.20x = 89,618,493,935,309,808
  5. Step 5: Solve for x
    x = 89,618,493,935,309,808/418,962,148.20
  6. Step 6: Final answer
    x = 213,905,944.30

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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.