Home / 821,926,574.17-1,232,758,621.77-239,524,589.50

Finding the Fourth Proportional to 821,926,574.17, 1,232,758,621.77 and 239,524,589.50

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Solution

The fourth proportional to 821,926,574.17, 1,232,758,621.77 and 239,524,589.50 is: 359,248,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,926,574.17 : 1,232,758,621.77 = 239,524,589.50 : x
  2. Step 2: Convert to fraction form
    821,926,574.17/1,232,758,621.77 = 239,524,589.50/x
  3. Step 3: Cross multiply
    821,926,574.17x = 1,232,758,621.77 × 239,524,589.50
  4. Step 4: Simplify right side
    821,926,574.17x = 295,276,002,832,044,992
  5. Step 5: Solve for x
    x = 295,276,002,832,044,992/821,926,574.17
  6. Step 6: Final answer
    x = 359,248,638.64

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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.