Home / 532,931,878.20-800,741,510.10-338,936,230.20

Finding the Fourth Proportional to 532,931,878.20, 800,741,510.10 and 338,936,230.20

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Solution

The fourth proportional to 532,931,878.20, 800,741,510.10 and 338,936,230.20 is: 509,258,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,931,878.20 : 800,741,510.10 = 338,936,230.20 : x
  2. Step 2: Convert to fraction form
    532,931,878.20/800,741,510.10 = 338,936,230.20/x
  3. Step 3: Cross multiply
    532,931,878.20x = 800,741,510.10 × 338,936,230.20
  4. Step 4: Simplify right side
    532,931,878.20x = 271,400,308,797,949,216
  5. Step 5: Solve for x
    x = 271,400,308,797,949,216/532,931,878.20
  6. Step 6: Final answer
    x = 509,258,912.63

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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.