Home / 657,384,846.60-986,002,620.30-172,759,643.40

Finding the Fourth Proportional to 657,384,846.60, 986,002,620.30 and 172,759,643.40

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Solution

The fourth proportional to 657,384,846.60, 986,002,620.30 and 172,759,643.40 is: 259,119,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,384,846.60 : 986,002,620.30 = 172,759,643.40 : x
  2. Step 2: Convert to fraction form
    657,384,846.60/986,002,620.30 = 172,759,643.40/x
  3. Step 3: Cross multiply
    657,384,846.60x = 986,002,620.30 × 172,759,643.40
  4. Step 4: Simplify right side
    657,384,846.60x = 170,341,461,074,493,600
  5. Step 5: Solve for x
    x = 170,341,461,074,493,600/657,384,846.60
  6. Step 6: Final answer
    x = 259,119,847.31

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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.