Home / 2,138,914,047.72-3,206,106,664.32-719,459,904

Finding the Fourth Proportional to 2,138,914,047.72, 3,206,106,664.32 and 719,459,904

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Solution

The fourth proportional to 2,138,914,047.72, 3,206,106,664.32 and 719,459,904 is: 1,078,428,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,914,047.72 : 3,206,106,664.32 = 719,459,904 : x
  2. Step 2: Convert to fraction form
    2,138,914,047.72/3,206,106,664.32 = 719,459,904/x
  3. Step 3: Cross multiply
    2,138,914,047.72x = 3,206,106,664.32 × 719,459,904
  4. Step 4: Simplify right side
    2,138,914,047.72x = 2,306,665,192,925,427,712
  5. Step 5: Solve for x
    x = 2,306,665,192,925,427,712/2,138,914,047.72
  6. Step 6: Final answer
    x = 1,078,428,184.33

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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.