Home / 821,926,574.42-1,232,758,622.15-239,524,589.75

Finding the Fourth Proportional to 821,926,574.42, 1,232,758,622.15 and 239,524,589.75

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Solution

The fourth proportional to 821,926,574.42, 1,232,758,622.15 and 239,524,589.75 is: 359,248,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,926,574.42 : 1,232,758,622.15 = 239,524,589.75 : x
  2. Step 2: Convert to fraction form
    821,926,574.42/1,232,758,622.15 = 239,524,589.75/x
  3. Step 3: Cross multiply
    821,926,574.42x = 1,232,758,622.15 × 239,524,589.75
  4. Step 4: Simplify right side
    821,926,574.42x = 295,276,003,230,056,384
  5. Step 5: Solve for x
    x = 295,276,003,230,056,384/821,926,574.42
  6. Step 6: Final answer
    x = 359,248,639.01

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1.5x scale

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.