Home / 281,350,778.40-422,026,167.60-173,855,354.40

Finding the Fourth Proportional to 281,350,778.40, 422,026,167.60 and 173,855,354.40

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Solution

The fourth proportional to 281,350,778.40, 422,026,167.60 and 173,855,354.40 is: 260,783,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,350,778.40 : 422,026,167.60 = 173,855,354.40 : x
  2. Step 2: Convert to fraction form
    281,350,778.40/422,026,167.60 = 173,855,354.40/x
  3. Step 3: Cross multiply
    281,350,778.40x = 422,026,167.60 × 173,855,354.40
  4. Step 4: Simplify right side
    281,350,778.40x = 73,371,508,934,171,808
  5. Step 5: Solve for x
    x = 73,371,508,934,171,808/281,350,778.40
  6. Step 6: Final answer
    x = 260,783,031.60

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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.