Home / 520,886,753.77-718,805,121.60-294,820,883.73

Finding the Fourth Proportional to 520,886,753.77, 718,805,121.60 and 294,820,883.73

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Solution

The fourth proportional to 520,886,753.77, 718,805,121.60 and 294,820,883.73 is: 406,842,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,886,753.77 : 718,805,121.60 = 294,820,883.73 : x
  2. Step 2: Convert to fraction form
    520,886,753.77/718,805,121.60 = 294,820,883.73/x
  3. Step 3: Cross multiply
    520,886,753.77x = 718,805,121.60 × 294,820,883.73
  4. Step 4: Simplify right side
    520,886,753.77x = 211,918,761,179,762,144
  5. Step 5: Solve for x
    x = 211,918,761,179,762,144/520,886,753.77
  6. Step 6: Final answer
    x = 406,842,292.78

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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.