Home / 497,848,220.80-687,012,538.46-274,825,113.92

Finding the Fourth Proportional to 497,848,220.80, 687,012,538.46 and 274,825,113.92

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Solution

The fourth proportional to 497,848,220.80, 687,012,538.46 and 274,825,113.92 is: 379,248,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,848,220.80 : 687,012,538.46 = 274,825,113.92 : x
  2. Step 2: Convert to fraction form
    497,848,220.80/687,012,538.46 = 274,825,113.92/x
  3. Step 3: Cross multiply
    497,848,220.80x = 687,012,538.46 × 274,825,113.92
  4. Step 4: Simplify right side
    497,848,220.80x = 188,808,299,146,737,888
  5. Step 5: Solve for x
    x = 188,808,299,146,737,888/497,848,220.80
  6. Step 6: Final answer
    x = 379,248,717.30

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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.