Home / 79,565,123,099.41-109,799,311,312.55-43,436,155,521.51

Finding the Fourth Proportional to 79,565,123,099.41, 109,799,311,312.55 and 43,436,155,521.51

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Solution

The fourth proportional to 79,565,123,099.41, 109,799,311,312.55 and 43,436,155,521.51 is: 59,941,589,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565,123,099.41 : 109,799,311,312.55 = 43,436,155,521.51 : x
  2. Step 2: Convert to fraction form
    79,565,123,099.41/109,799,311,312.55 = 43,436,155,521.51/x
  3. Step 3: Cross multiply
    79,565,123,099.41x = 109,799,311,312.55 × 43,436,155,521.51
  4. Step 4: Simplify right side
    79,565,123,099.41x = 4,769,259,962,326,614,802,432
  5. Step 5: Solve for x
    x = 4,769,259,962,326,614,802,432/79,565,123,099.41
  6. Step 6: Final answer
    x = 59,941,589,688.34

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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.