Home / 79,565,123,100.56-109,799,311,314.11-43,436,155,522.64

Finding the Fourth Proportional to 79,565,123,100.56, 109,799,311,314.11 and 43,436,155,522.64

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Solution

The fourth proportional to 79,565,123,100.56, 109,799,311,314.11 and 43,436,155,522.64 is: 59,941,589,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565,123,100.56 : 109,799,311,314.11 = 43,436,155,522.64 : x
  2. Step 2: Convert to fraction form
    79,565,123,100.56/109,799,311,314.11 = 43,436,155,522.64/x
  3. Step 3: Cross multiply
    79,565,123,100.56x = 109,799,311,314.11 × 43,436,155,522.64
  4. Step 4: Simplify right side
    79,565,123,100.56x = 4,769,259,962,518,008,233,984
  5. Step 5: Solve for x
    x = 4,769,259,962,518,008,233,984/79,565,123,100.56
  6. Step 6: Final answer
    x = 59,941,589,689.88

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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.