Home / 395,819,965.98-546,213,046.95-219,606,085.98

Finding the Fourth Proportional to 395,819,965.98, 546,213,046.95 and 219,606,085.98

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Solution

The fourth proportional to 395,819,965.98, 546,213,046.95 and 219,606,085.98 is: 303,046,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,819,965.98 : 546,213,046.95 = 219,606,085.98 : x
  2. Step 2: Convert to fraction form
    395,819,965.98/546,213,046.95 = 219,606,085.98/x
  3. Step 3: Cross multiply
    395,819,965.98x = 546,213,046.95 × 219,606,085.98
  4. Step 4: Simplify right side
    395,819,965.98x = 119,951,709,351,899,488
  5. Step 5: Solve for x
    x = 119,951,709,351,899,488/395,819,965.98
  6. Step 6: Final answer
    x = 303,046,131.23

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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.