Home / 358,098,433.20-537,116,880.78-218,002,531.86

Finding the Fourth Proportional to 358,098,433.20, 537,116,880.78 and 218,002,531.86

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Solution

The fourth proportional to 358,098,433.20, 537,116,880.78 and 218,002,531.86 is: 326,985,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,098,433.20 : 537,116,880.78 = 218,002,531.86 : x
  2. Step 2: Convert to fraction form
    358,098,433.20/537,116,880.78 = 218,002,531.86/x
  3. Step 3: Cross multiply
    358,098,433.20x = 537,116,880.78 × 218,002,531.86
  4. Step 4: Simplify right side
    358,098,433.20x = 117,092,839,914,785,776
  5. Step 5: Solve for x
    x = 117,092,839,914,785,776/358,098,433.20
  6. Step 6: Final answer
    x = 326,985,066.28

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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.