Home / 18,562,065,231.32-27,845,090,374.16-7,939,392,778.97

Finding the Fourth Proportional to 18,562,065,231.32, 27,845,090,374.16 and 7,939,392,778.97

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Solution

The fourth proportional to 18,562,065,231.32, 27,845,090,374.16 and 7,939,392,778.97 is: 11,909,941,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562,065,231.32 : 27,845,090,374.16 = 7,939,392,778.97 : x
  2. Step 2: Convert to fraction form
    18,562,065,231.32/27,845,090,374.16 = 7,939,392,778.97/x
  3. Step 3: Cross multiply
    18,562,065,231.32x = 27,845,090,374.16 × 7,939,392,778.97
  4. Step 4: Simplify right side
    18,562,065,231.32x = 221,073,109,446,466,371,584
  5. Step 5: Solve for x
    x = 221,073,109,446,466,371,584/18,562,065,231.32
  6. Step 6: Final answer
    x = 11,909,941,415.00

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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.