Home / 677,259,145.80-1,015,888,718.70-217,243,816.20

Finding the Fourth Proportional to 677,259,145.80, 1,015,888,718.70 and 217,243,816.20

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Solution

The fourth proportional to 677,259,145.80, 1,015,888,718.70 and 217,243,816.20 is: 325,865,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,259,145.80 : 1,015,888,718.70 = 217,243,816.20 : x
  2. Step 2: Convert to fraction form
    677,259,145.80/1,015,888,718.70 = 217,243,816.20/x
  3. Step 3: Cross multiply
    677,259,145.80x = 1,015,888,718.70 × 217,243,816.20
  4. Step 4: Simplify right side
    677,259,145.80x = 220,695,542,084,916,288
  5. Step 5: Solve for x
    x = 220,695,542,084,916,288/677,259,145.80
  6. Step 6: Final answer
    x = 325,865,724.30

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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.