Home / 326,620,902.60-489,920,856.30-108,281,320.20

Finding the Fourth Proportional to 326,620,902.60, 489,920,856.30 and 108,281,320.20

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Solution

The fourth proportional to 326,620,902.60, 489,920,856.30 and 108,281,320.20 is: 162,418,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,620,902.60 : 489,920,856.30 = 108,281,320.20 : x
  2. Step 2: Convert to fraction form
    326,620,902.60/489,920,856.30 = 108,281,320.20/x
  3. Step 3: Cross multiply
    326,620,902.60x = 489,920,856.30 × 108,281,320.20
  4. Step 4: Simplify right side
    326,620,902.60x = 53,049,277,113,678,488
  5. Step 5: Solve for x
    x = 53,049,277,113,678,488/326,620,902.60
  6. Step 6: Final answer
    x = 162,418,500.14

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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.