Home / 2,138,914,019.16-3,206,106,621.63-719,459,875.35

Finding the Fourth Proportional to 2,138,914,019.16, 3,206,106,621.63 and 719,459,875.35

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Solution

The fourth proportional to 2,138,914,019.16, 3,206,106,621.63 and 719,459,875.35 is: 1,078,428,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,914,019.16 : 3,206,106,621.63 = 719,459,875.35 : x
  2. Step 2: Convert to fraction form
    2,138,914,019.16/3,206,106,621.63 = 719,459,875.35/x
  3. Step 3: Cross multiply
    2,138,914,019.16x = 3,206,106,621.63 × 719,459,875.35
  4. Step 4: Simplify right side
    2,138,914,019.16x = 2,306,665,070,356,729,344
  5. Step 5: Solve for x
    x = 2,306,665,070,356,729,344/2,138,914,019.16
  6. Step 6: Final answer
    x = 1,078,428,141.43

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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.