Home / 356,079,950.73-490,248,277.05-277,662,878.73

Finding the Fourth Proportional to 356,079,950.73, 490,248,277.05 and 277,662,878.73

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Solution

The fourth proportional to 356,079,950.73, 490,248,277.05 and 277,662,878.73 is: 382,284,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,079,950.73 : 490,248,277.05 = 277,662,878.73 : x
  2. Step 2: Convert to fraction form
    356,079,950.73/490,248,277.05 = 277,662,878.73/x
  3. Step 3: Cross multiply
    356,079,950.73x = 490,248,277.05 × 277,662,878.73
  4. Step 4: Simplify right side
    356,079,950.73x = 136,123,747,898,125,600
  5. Step 5: Solve for x
    x = 136,123,747,898,125,600/356,079,950.73
  6. Step 6: Final answer
    x = 382,284,224.71

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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.