Home / 344,896,579.20-517,344,868.80-319,954,281.60

Finding the Fourth Proportional to 344,896,579.20, 517,344,868.80 and 319,954,281.60

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Solution

The fourth proportional to 344,896,579.20, 517,344,868.80 and 319,954,281.60 is: 479,931,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,896,579.20 : 517,344,868.80 = 319,954,281.60 : x
  2. Step 2: Convert to fraction form
    344,896,579.20/517,344,868.80 = 319,954,281.60/x
  3. Step 3: Cross multiply
    344,896,579.20x = 517,344,868.80 × 319,954,281.60
  4. Step 4: Simplify right side
    344,896,579.20x = 165,526,705,836,350,272
  5. Step 5: Solve for x
    x = 165,526,705,836,350,272/344,896,579.20
  6. Step 6: Final answer
    x = 479,931,422.40

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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.