Home / 409,455,086.40-614,182,629.60-254,486,890.80

Finding the Fourth Proportional to 409,455,086.40, 614,182,629.60 and 254,486,890.80

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Solution

The fourth proportional to 409,455,086.40, 614,182,629.60 and 254,486,890.80 is: 381,730,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,455,086.40 : 614,182,629.60 = 254,486,890.80 : x
  2. Step 2: Convert to fraction form
    409,455,086.40/614,182,629.60 = 254,486,890.80/x
  3. Step 3: Cross multiply
    409,455,086.40x = 614,182,629.60 × 254,486,890.80
  4. Step 4: Simplify right side
    409,455,086.40x = 156,301,427,790,272,064
  5. Step 5: Solve for x
    x = 156,301,427,790,272,064/409,455,086.40
  6. Step 6: Final answer
    x = 381,730,336.20

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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.