Home / 283,715,657.28-424,635,787.44-258,220,661.04

Finding the Fourth Proportional to 283,715,657.28, 424,635,787.44 and 258,220,661.04

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Solution

The fourth proportional to 283,715,657.28, 424,635,787.44 and 258,220,661.04 is: 386,477,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,715,657.28 : 424,635,787.44 = 258,220,661.04 : x
  2. Step 2: Convert to fraction form
    283,715,657.28/424,635,787.44 = 258,220,661.04/x
  3. Step 3: Cross multiply
    283,715,657.28x = 424,635,787.44 × 258,220,661.04
  4. Step 4: Simplify right side
    283,715,657.28x = 109,649,733,733,997,728
  5. Step 5: Solve for x
    x = 109,649,733,733,997,728/283,715,657.28
  6. Step 6: Final answer
    x = 386,477,555.68

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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.