Home / 215,841,519.60-323,762,279.40-201,386,324.40

Finding the Fourth Proportional to 215,841,519.60, 323,762,279.40 and 201,386,324.40

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Solution

The fourth proportional to 215,841,519.60, 323,762,279.40 and 201,386,324.40 is: 302,079,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,841,519.60 : 323,762,279.40 = 201,386,324.40 : x
  2. Step 2: Convert to fraction form
    215,841,519.60/323,762,279.40 = 201,386,324.40/x
  3. Step 3: Cross multiply
    215,841,519.60x = 323,762,279.40 × 201,386,324.40
  4. Step 4: Simplify right side
    215,841,519.60x = 65,201,295,427,731,832
  5. Step 5: Solve for x
    x = 65,201,295,427,731,832/215,841,519.60
  6. Step 6: Final answer
    x = 302,079,486.60

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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.