Home / 1,659,643,322.40-2,487,764,372.40-969,195,175.20

Finding the Fourth Proportional to 1,659,643,322.40, 2,487,764,372.40 and 969,195,175.20

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Solution

The fourth proportional to 1,659,643,322.40, 2,487,764,372.40 and 969,195,175.20 is: 1,452,799,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,643,322.40 : 2,487,764,372.40 = 969,195,175.20 : x
  2. Step 2: Convert to fraction form
    1,659,643,322.40/2,487,764,372.40 = 969,195,175.20/x
  3. Step 3: Cross multiply
    1,659,643,322.40x = 2,487,764,372.40 × 969,195,175.20
  4. Step 4: Simplify right side
    1,659,643,322.40x = 2,411,129,226,764,536,320
  5. Step 5: Solve for x
    x = 2,411,129,226,764,536,320/1,659,643,322.40
  6. Step 6: Final answer
    x = 1,452,799,643.29

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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.