Home / 520,886,755.77-718,805,124.36-294,820,885.73

Finding the Fourth Proportional to 520,886,755.77, 718,805,124.36 and 294,820,885.73

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Solution

The fourth proportional to 520,886,755.77, 718,805,124.36 and 294,820,885.73 is: 406,842,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,886,755.77 : 718,805,124.36 = 294,820,885.73 : x
  2. Step 2: Convert to fraction form
    520,886,755.77/718,805,124.36 = 294,820,885.73/x
  3. Step 3: Cross multiply
    520,886,755.77x = 718,805,124.36 × 294,820,885.73
  4. Step 4: Simplify right side
    520,886,755.77x = 211,918,763,431,078,016
  5. Step 5: Solve for x
    x = 211,918,763,431,078,016/520,886,755.77
  6. Step 6: Final answer
    x = 406,842,295.53

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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.