Home / 503,677,172.30-695,067,432.36-280,668,253.31

Finding the Fourth Proportional to 503,677,172.30, 695,067,432.36 and 280,668,253.31

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Solution

The fourth proportional to 503,677,172.30, 695,067,432.36 and 280,668,253.31 is: 387,318,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,677,172.30 : 695,067,432.36 = 280,668,253.31 : x
  2. Step 2: Convert to fraction form
    503,677,172.30/695,067,432.36 = 280,668,253.31/x
  3. Step 3: Cross multiply
    503,677,172.30x = 695,067,432.36 × 280,668,253.31
  4. Step 4: Simplify right side
    503,677,172.30x = 195,083,362,176,710,048
  5. Step 5: Solve for x
    x = 195,083,362,176,710,048/503,677,172.30
  6. Step 6: Final answer
    x = 387,318,252.46

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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.