Home / 409,563,008.40-614,344,512.60-271,813,501.20

Finding the Fourth Proportional to 409,563,008.40, 614,344,512.60 and 271,813,501.20

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Solution

The fourth proportional to 409,563,008.40, 614,344,512.60 and 271,813,501.20 is: 407,720,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,563,008.40 : 614,344,512.60 = 271,813,501.20 : x
  2. Step 2: Convert to fraction form
    409,563,008.40/614,344,512.60 = 271,813,501.20/x
  3. Step 3: Cross multiply
    409,563,008.40x = 614,344,512.60 × 271,813,501.20
  4. Step 4: Simplify right side
    409,563,008.40x = 166,987,132,912,813,504
  5. Step 5: Solve for x
    x = 166,987,132,912,813,504/409,563,008.40
  6. Step 6: Final answer
    x = 407,720,251.80

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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.