Home / 1,608,709,857.34-2,413,020,179.25-428,300,463.88

Finding the Fourth Proportional to 1,608,709,857.34, 2,413,020,179.25 and 428,300,463.88

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Solution

The fourth proportional to 1,608,709,857.34, 2,413,020,179.25 and 428,300,463.88 is: 642,438,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,709,857.34 : 2,413,020,179.25 = 428,300,463.88 : x
  2. Step 2: Convert to fraction form
    1,608,709,857.34/2,413,020,179.25 = 428,300,463.88/x
  3. Step 3: Cross multiply
    1,608,709,857.34x = 2,413,020,179.25 × 428,300,463.88
  4. Step 4: Simplify right side
    1,608,709,857.34x = 1,033,497,662,132,733,696
  5. Step 5: Solve for x
    x = 1,033,497,662,132,733,696/1,608,709,857.34
  6. Step 6: Final answer
    x = 642,438,819.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.