Home / 531,930,720.40-797,896,080.60-327,857,376.40

Finding the Fourth Proportional to 531,930,720.40, 797,896,080.60 and 327,857,376.40

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Solution

The fourth proportional to 531,930,720.40, 797,896,080.60 and 327,857,376.40 is: 491,786,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,930,720.40 : 797,896,080.60 = 327,857,376.40 : x
  2. Step 2: Convert to fraction form
    531,930,720.40/797,896,080.60 = 327,857,376.40/x
  3. Step 3: Cross multiply
    531,930,720.40x = 797,896,080.60 × 327,857,376.40
  4. Step 4: Simplify right side
    531,930,720.40x = 261,596,115,625,358,912
  5. Step 5: Solve for x
    x = 261,596,115,625,358,912/531,930,720.40
  6. Step 6: Final answer
    x = 491,786,064.60

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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.