Home / 25,509,572,723.70-38,264,359,085.55-20,183,258,445.30

Finding the Fourth Proportional to 25,509,572,723.70, 38,264,359,085.55 and 20,183,258,445.30

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Solution

The fourth proportional to 25,509,572,723.70, 38,264,359,085.55 and 20,183,258,445.30 is: 30,274,887,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,572,723.70 : 38,264,359,085.55 = 20,183,258,445.30 : x
  2. Step 2: Convert to fraction form
    25,509,572,723.70/38,264,359,085.55 = 20,183,258,445.30/x
  3. Step 3: Cross multiply
    25,509,572,723.70x = 38,264,359,085.55 × 20,183,258,445.30
  4. Step 4: Simplify right side
    25,509,572,723.70x = 772,299,448,667,418,918,912
  5. Step 5: Solve for x
    x = 772,299,448,667,418,918,912/25,509,572,723.70
  6. Step 6: Final answer
    x = 30,274,887,667.95

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1.5x scale

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.