Home / 427,707,647.93-590,169,135.17-249,120,927.61

Finding the Fourth Proportional to 427,707,647.93, 590,169,135.17 and 249,120,927.61

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Solution

The fourth proportional to 427,707,647.93, 590,169,135.17 and 249,120,927.61 is: 343,747,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,707,647.93 : 590,169,135.17 = 249,120,927.61 : x
  2. Step 2: Convert to fraction form
    427,707,647.93/590,169,135.17 = 249,120,927.61/x
  3. Step 3: Cross multiply
    427,707,647.93x = 590,169,135.17 × 249,120,927.61
  4. Step 4: Simplify right side
    427,707,647.93x = 147,023,482,399,489,248
  5. Step 5: Solve for x
    x = 147,023,482,399,489,248/427,707,647.93
  6. Step 6: Final answer
    x = 343,747,611.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.