Home / 363,041,996.40-543,913,455.60-220,812,638.40

Finding the Fourth Proportional to 363,041,996.40, 543,913,455.60 and 220,812,638.40

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Solution

The fourth proportional to 363,041,996.40, 543,913,455.60 and 220,812,638.40 is: 330,823,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,041,996.40 : 543,913,455.60 = 220,812,638.40 : x
  2. Step 2: Convert to fraction form
    363,041,996.40/543,913,455.60 = 220,812,638.40/x
  3. Step 3: Cross multiply
    363,041,996.40x = 543,913,455.60 × 220,812,638.40
  4. Step 4: Simplify right side
    363,041,996.40x = 120,102,965,192,297,264
  5. Step 5: Solve for x
    x = 120,102,965,192,297,264/363,041,996.40
  6. Step 6: Final answer
    x = 330,823,889.20

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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.