Home / 673,949,047.20-1,008,908,031.60-401,179,408.80

Finding the Fourth Proportional to 673,949,047.20, 1,008,908,031.60 and 401,179,408.80

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Solution

The fourth proportional to 673,949,047.20, 1,008,908,031.60 and 401,179,408.80 is: 600,569,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,949,047.20 : 1,008,908,031.60 = 401,179,408.80 : x
  2. Step 2: Convert to fraction form
    673,949,047.20/1,008,908,031.60 = 401,179,408.80/x
  3. Step 3: Cross multiply
    673,949,047.20x = 1,008,908,031.60 × 401,179,408.80
  4. Step 4: Simplify right side
    673,949,047.20x = 404,753,127,650,859,712
  5. Step 5: Solve for x
    x = 404,753,127,650,859,712/673,949,047.20
  6. Step 6: Final answer
    x = 600,569,329.88

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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.