Home / 617,101,830.56-851,558,599.95-338,661,290.22

Finding the Fourth Proportional to 617,101,830.56, 851,558,599.95 and 338,661,290.22

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Solution

The fourth proportional to 617,101,830.56, 851,558,599.95 and 338,661,290.22 is: 467,329,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,101,830.56 : 851,558,599.95 = 338,661,290.22 : x
  2. Step 2: Convert to fraction form
    617,101,830.56/851,558,599.95 = 338,661,290.22/x
  3. Step 3: Cross multiply
    617,101,830.56x = 851,558,599.95 × 338,661,290.22
  4. Step 4: Simplify right side
    617,101,830.56x = 288,389,934,157,003,840
  5. Step 5: Solve for x
    x = 288,389,934,157,003,840/617,101,830.56
  6. Step 6: Final answer
    x = 467,329,571.68

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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.