Home / 491,833,364.70-737,750,047.05-128,327,720.70

Finding the Fourth Proportional to 491,833,364.70, 737,750,047.05 and 128,327,720.70

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Solution

The fourth proportional to 491,833,364.70, 737,750,047.05 and 128,327,720.70 is: 192,491,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,833,364.70 : 737,750,047.05 = 128,327,720.70 : x
  2. Step 2: Convert to fraction form
    491,833,364.70/737,750,047.05 = 128,327,720.70/x
  3. Step 3: Cross multiply
    491,833,364.70x = 737,750,047.05 × 128,327,720.70
  4. Step 4: Simplify right side
    491,833,364.70x = 94,673,781,984,244,256
  5. Step 5: Solve for x
    x = 94,673,781,984,244,256/491,833,364.70
  6. Step 6: Final answer
    x = 192,491,581.05

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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.