Home / 351,648,002.20-527,472,003.30-242,808,885.40

Finding the Fourth Proportional to 351,648,002.20, 527,472,003.30 and 242,808,885.40

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Solution

The fourth proportional to 351,648,002.20, 527,472,003.30 and 242,808,885.40 is: 364,213,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,648,002.20 : 527,472,003.30 = 242,808,885.40 : x
  2. Step 2: Convert to fraction form
    351,648,002.20/527,472,003.30 = 242,808,885.40/x
  3. Step 3: Cross multiply
    351,648,002.20x = 527,472,003.30 × 242,808,885.40
  4. Step 4: Simplify right side
    351,648,002.20x = 128,074,889,200,978,128
  5. Step 5: Solve for x
    x = 128,074,889,200,978,128/351,648,002.20
  6. Step 6: Final answer
    x = 364,213,328.10

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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.