Home / 483,078,672.90-724,618,009.35-408,251,780.10

Finding the Fourth Proportional to 483,078,672.90, 724,618,009.35 and 408,251,780.10

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Solution

The fourth proportional to 483,078,672.90, 724,618,009.35 and 408,251,780.10 is: 612,377,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,078,672.90 : 724,618,009.35 = 408,251,780.10 : x
  2. Step 2: Convert to fraction form
    483,078,672.90/724,618,009.35 = 408,251,780.10/x
  3. Step 3: Cross multiply
    483,078,672.90x = 724,618,009.35 × 408,251,780.10
  4. Step 4: Simplify right side
    483,078,672.90x = 295,826,592,209,656,000
  5. Step 5: Solve for x
    x = 295,826,592,209,656,000/483,078,672.90
  6. Step 6: Final answer
    x = 612,377,670.15

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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.