Home / 1,812,536,097.12-2,718,804,899.34-815,392,426.18

Finding the Fourth Proportional to 1,812,536,097.12, 2,718,804,899.34 and 815,392,426.18

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Solution

The fourth proportional to 1,812,536,097.12, 2,718,804,899.34 and 815,392,426.18 is: 1,223,088,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,536,097.12 : 2,718,804,899.34 = 815,392,426.18 : x
  2. Step 2: Convert to fraction form
    1,812,536,097.12/2,718,804,899.34 = 815,392,426.18/x
  3. Step 3: Cross multiply
    1,812,536,097.12x = 2,718,804,899.34 × 815,392,426.18
  4. Step 4: Simplify right side
    1,812,536,097.12x = 2,216,892,923,189,410,304
  5. Step 5: Solve for x
    x = 2,216,892,923,189,410,304/1,812,536,097.12
  6. Step 6: Final answer
    x = 1,223,088,978.32

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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.