Home / 638,247,480.98-957,662,113.95-327,573,265.61

Finding the Fourth Proportional to 638,247,480.98, 957,662,113.95 and 327,573,265.61

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Solution

The fourth proportional to 638,247,480.98, 957,662,113.95 and 327,573,265.61 is: 491,509,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,247,480.98 : 957,662,113.95 = 327,573,265.61 : x
  2. Step 2: Convert to fraction form
    638,247,480.98/957,662,113.95 = 327,573,265.61/x
  3. Step 3: Cross multiply
    638,247,480.98x = 957,662,113.95 × 327,573,265.61
  4. Step 4: Simplify right side
    638,247,480.98x = 313,704,506,017,577,472
  5. Step 5: Solve for x
    x = 313,704,506,017,577,472/638,247,480.98
  6. Step 6: Final answer
    x = 491,509,195.67

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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.