Home / 284,351,412.76-392,405,483.48-158,903,609.56

Finding the Fourth Proportional to 284,351,412.76, 392,405,483.48 and 158,903,609.56

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Solution

The fourth proportional to 284,351,412.76, 392,405,483.48 and 158,903,609.56 is: 219,287,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,351,412.76 : 392,405,483.48 = 158,903,609.56 : x
  2. Step 2: Convert to fraction form
    284,351,412.76/392,405,483.48 = 158,903,609.56/x
  3. Step 3: Cross multiply
    284,351,412.76x = 392,405,483.48 × 158,903,609.56
  4. Step 4: Simplify right side
    284,351,412.76x = 62,354,647,736,108,952
  5. Step 5: Solve for x
    x = 62,354,647,736,108,952/284,351,412.76
  6. Step 6: Final answer
    x = 219,287,279.54

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Double scale
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1.5x scale

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.