Home / 19,890,734,520.15-27,449,325,129.71-11,317,160,952.01

Finding the Fourth Proportional to 19,890,734,520.15, 27,449,325,129.71 and 11,317,160,952.01

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Solution

The fourth proportional to 19,890,734,520.15, 27,449,325,129.71 and 11,317,160,952.01 is: 15,617,745,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,734,520.15 : 27,449,325,129.71 = 11,317,160,952.01 : x
  2. Step 2: Convert to fraction form
    19,890,734,520.15/27,449,325,129.71 = 11,317,160,952.01/x
  3. Step 3: Cross multiply
    19,890,734,520.15x = 27,449,325,129.71 × 11,317,160,952.01
  4. Step 4: Simplify right side
    19,890,734,520.15x = 310,648,430,516,932,444,160
  5. Step 5: Solve for x
    x = 310,648,430,516,932,444,160/19,890,734,520.15
  6. Step 6: Final answer
    x = 15,617,745,548.93

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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.