Home / 363,965,999.40-545,948,999.10-273,266,735.40

Finding the Fourth Proportional to 363,965,999.40, 545,948,999.10 and 273,266,735.40

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Solution

The fourth proportional to 363,965,999.40, 545,948,999.10 and 273,266,735.40 is: 409,900,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,965,999.40 : 545,948,999.10 = 273,266,735.40 : x
  2. Step 2: Convert to fraction form
    363,965,999.40/545,948,999.10 = 273,266,735.40/x
  3. Step 3: Cross multiply
    363,965,999.40x = 545,948,999.10 × 273,266,735.40
  4. Step 4: Simplify right side
    363,965,999.40x = 149,189,700,678,954,528
  5. Step 5: Solve for x
    x = 149,189,700,678,954,528/363,965,999.40
  6. Step 6: Final answer
    x = 409,900,103.10

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1.5x scale

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.