Home / 497,848,219.80-687,012,537.08-274,825,112.92

Finding the Fourth Proportional to 497,848,219.80, 687,012,537.08 and 274,825,112.92

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Solution

The fourth proportional to 497,848,219.80, 687,012,537.08 and 274,825,112.92 is: 379,248,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,848,219.80 : 687,012,537.08 = 274,825,112.92 : x
  2. Step 2: Convert to fraction form
    497,848,219.80/687,012,537.08 = 274,825,112.92/x
  3. Step 3: Cross multiply
    497,848,219.80x = 687,012,537.08 × 274,825,112.92
  4. Step 4: Simplify right side
    497,848,219.80x = 188,808,298,080,466,720
  5. Step 5: Solve for x
    x = 188,808,298,080,466,720/497,848,219.80
  6. Step 6: Final answer
    x = 379,248,715.92

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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.