Home / 320,436,581.40-480,654,872.10-298,937,496.60

Finding the Fourth Proportional to 320,436,581.40, 480,654,872.10 and 298,937,496.60

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Solution

The fourth proportional to 320,436,581.40, 480,654,872.10 and 298,937,496.60 is: 448,406,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,436,581.40 : 480,654,872.10 = 298,937,496.60 : x
  2. Step 2: Convert to fraction form
    320,436,581.40/480,654,872.10 = 298,937,496.60/x
  3. Step 3: Cross multiply
    320,436,581.40x = 480,654,872.10 × 298,937,496.60
  4. Step 4: Simplify right side
    320,436,581.40x = 143,685,764,194,167,200
  5. Step 5: Solve for x
    x = 143,685,764,194,167,200/320,436,581.40
  6. Step 6: Final answer
    x = 448,406,244.90

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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.