Home / 347,515,591.28-521,020,649.10-163,188,085.28

Finding the Fourth Proportional to 347,515,591.28, 521,020,649.10 and 163,188,085.28

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Solution

The fourth proportional to 347,515,591.28, 521,020,649.10 and 163,188,085.28 is: 244,663,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,515,591.28 : 521,020,649.10 = 163,188,085.28 : x
  2. Step 2: Convert to fraction form
    347,515,591.28/521,020,649.10 = 163,188,085.28/x
  3. Step 3: Cross multiply
    347,515,591.28x = 521,020,649.10 × 163,188,085.28
  4. Step 4: Simplify right side
    347,515,591.28x = 85,024,362,117,971,760
  5. Step 5: Solve for x
    x = 85,024,362,117,971,760/347,515,591.28
  6. Step 6: Final answer
    x = 244,663,446.05

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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.