Home / 503,677,173.80-695,067,434.43-280,668,254.82

Finding the Fourth Proportional to 503,677,173.80, 695,067,434.43 and 280,668,254.82

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Solution

The fourth proportional to 503,677,173.80, 695,067,434.43 and 280,668,254.82 is: 387,318,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,677,173.80 : 695,067,434.43 = 280,668,254.82 : x
  2. Step 2: Convert to fraction form
    503,677,173.80/695,067,434.43 = 280,668,254.82/x
  3. Step 3: Cross multiply
    503,677,173.80x = 695,067,434.43 × 280,668,254.82
  4. Step 4: Simplify right side
    503,677,173.80x = 195,083,363,803,682,848
  5. Step 5: Solve for x
    x = 195,083,363,803,682,848/503,677,173.80
  6. Step 6: Final answer
    x = 387,318,254.54

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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.