Home / 821,926,573.92-1,232,758,621.40-239,524,589.25

Finding the Fourth Proportional to 821,926,573.92, 1,232,758,621.40 and 239,524,589.25

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Solution

The fourth proportional to 821,926,573.92, 1,232,758,621.40 and 239,524,589.25 is: 359,248,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,926,573.92 : 1,232,758,621.40 = 239,524,589.25 : x
  2. Step 2: Convert to fraction form
    821,926,573.92/1,232,758,621.40 = 239,524,589.25/x
  3. Step 3: Cross multiply
    821,926,573.92x = 1,232,758,621.40 × 239,524,589.25
  4. Step 4: Simplify right side
    821,926,573.92x = 295,276,002,434,033,664
  5. Step 5: Solve for x
    x = 295,276,002,434,033,664/821,926,573.92
  6. Step 6: Final answer
    x = 359,248,638.26

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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.