Home / 18,751,916,845.40-28,133,400,718.17-7,554,028,701.60

Finding the Fourth Proportional to 18,751,916,845.40, 28,133,400,718.17 and 7,554,028,701.60

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Solution

The fourth proportional to 18,751,916,845.40, 28,133,400,718.17 and 7,554,028,701.60 is: 11,333,268,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,916,845.40 : 28,133,400,718.17 = 7,554,028,701.60 : x
  2. Step 2: Convert to fraction form
    18,751,916,845.40/28,133,400,718.17 = 7,554,028,701.60/x
  3. Step 3: Cross multiply
    18,751,916,845.40x = 28,133,400,718.17 × 7,554,028,701.60
  4. Step 4: Simplify right side
    18,751,916,845.40x = 212,520,516,498,670,223,360
  5. Step 5: Solve for x
    x = 212,520,516,498,670,223,360/18,751,916,845.40
  6. Step 6: Final answer
    x = 11,333,268,926.63

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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.