Home / 39,328,416,378.02-54,278,185,381.96-25,791,442,280.62

Finding the Fourth Proportional to 39,328,416,378.02, 54,278,185,381.96 and 25,791,442,280.62

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Solution

The fourth proportional to 39,328,416,378.02, 54,278,185,381.96 and 25,791,442,280.62 is: 35,595,450,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,328,416,378.02 : 54,278,185,381.96 = 25,791,442,280.62 : x
  2. Step 2: Convert to fraction form
    39,328,416,378.02/54,278,185,381.96 = 25,791,442,280.62/x
  3. Step 3: Cross multiply
    39,328,416,378.02x = 54,278,185,381.96 × 25,791,442,280.62
  4. Step 4: Simplify right side
    39,328,416,378.02x = 1,399,912,685,375,613,566,976
  5. Step 5: Solve for x
    x = 1,399,912,685,375,613,566,976/39,328,416,378.02
  6. Step 6: Final answer
    x = 35,595,450,168.14

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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.