Home / 284,351,484.43-392,405,580.27-158,903,680.53

Finding the Fourth Proportional to 284,351,484.43, 392,405,580.27 and 158,903,680.53

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Solution

The fourth proportional to 284,351,484.43, 392,405,580.27 and 158,903,680.53 is: 219,287,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,351,484.43 : 392,405,580.27 = 158,903,680.53 : x
  2. Step 2: Convert to fraction form
    284,351,484.43/392,405,580.27 = 158,903,680.53/x
  3. Step 3: Cross multiply
    284,351,484.43x = 392,405,580.27 × 158,903,680.53
  4. Step 4: Simplify right side
    284,351,484.43x = 62,354,690,967,553,848
  5. Step 5: Solve for x
    x = 62,354,690,967,553,848/284,351,484.43
  6. Step 6: Final answer
    x = 219,287,376.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.