Home / 617,101,857.30-851,558,636.58-338,661,316.92

Finding the Fourth Proportional to 617,101,857.30, 851,558,636.58 and 338,661,316.92

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Solution

The fourth proportional to 617,101,857.30, 851,558,636.58 and 338,661,316.92 is: 467,329,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,101,857.30 : 851,558,636.58 = 338,661,316.92 : x
  2. Step 2: Convert to fraction form
    617,101,857.30/851,558,636.58 = 338,661,316.92/x
  3. Step 3: Cross multiply
    617,101,857.30x = 851,558,636.58 × 338,661,316.92
  4. Step 4: Simplify right side
    617,101,857.30x = 288,389,969,298,782,528
  5. Step 5: Solve for x
    x = 288,389,969,298,782,528/617,101,857.30
  6. Step 6: Final answer
    x = 467,329,608.37

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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.