Home / 809,512,117.56-1,117,127,096.55-438,234,149.34

Finding the Fourth Proportional to 809,512,117.56, 1,117,127,096.55 and 438,234,149.34

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Solution

The fourth proportional to 809,512,117.56, 1,117,127,096.55 and 438,234,149.34 is: 604,763,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,512,117.56 : 1,117,127,096.55 = 438,234,149.34 : x
  2. Step 2: Convert to fraction form
    809,512,117.56/1,117,127,096.55 = 438,234,149.34/x
  3. Step 3: Cross multiply
    809,512,117.56x = 1,117,127,096.55 × 438,234,149.34
  4. Step 4: Simplify right side
    809,512,117.56x = 489,563,242,861,253,248
  5. Step 5: Solve for x
    x = 489,563,242,861,253,248/809,512,117.56
  6. Step 6: Final answer
    x = 604,763,328.73

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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.