Home / 274,197,137.80-408,445,854.10-259,345,723.81

Finding the Fourth Proportional to 274,197,137.80, 408,445,854.10 and 259,345,723.81

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Solution

The fourth proportional to 274,197,137.80, 408,445,854.10 and 259,345,723.81 is: 386,323,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,197,137.80 : 408,445,854.10 = 259,345,723.81 : x
  2. Step 2: Convert to fraction form
    274,197,137.80/408,445,854.10 = 259,345,723.81/x
  3. Step 3: Cross multiply
    274,197,137.80x = 408,445,854.10 × 259,345,723.81
  4. Step 4: Simplify right side
    274,197,137.80x = 105,928,685,667,364,304
  5. Step 5: Solve for x
    x = 105,928,685,667,364,304/274,197,137.80
  6. Step 6: Final answer
    x = 386,323,090.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.