Home / 28,386,610,811.11-39,165,018,410.42-16,343,311,971.06

Finding the Fourth Proportional to 28,386,610,811.11, 39,165,018,410.42 and 16,343,311,971.06

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Solution

The fourth proportional to 28,386,610,811.11, 39,165,018,410.42 and 16,343,311,971.06 is: 22,548,874,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,610,811.11 : 39,165,018,410.42 = 16,343,311,971.06 : x
  2. Step 2: Convert to fraction form
    28,386,610,811.11/39,165,018,410.42 = 16,343,311,971.06/x
  3. Step 3: Cross multiply
    28,386,610,811.11x = 39,165,018,410.42 × 16,343,311,971.06
  4. Step 4: Simplify right side
    28,386,610,811.11x = 640,086,114,233,769,787,392
  5. Step 5: Solve for x
    x = 640,086,114,233,769,787,392/28,386,610,811.11
  6. Step 6: Final answer
    x = 22,548,874,132.71

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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.