Home / 523,521,417,970.56-785,508,904,135.98-281,215,795,481.28

Finding the Fourth Proportional to 523,521,417,970.56, 785,508,904,135.98 and 281,215,795,481.28

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Solution

The fourth proportional to 523,521,417,970.56, 785,508,904,135.98 and 281,215,795,481.28 is: 421,945,509,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,521,417,970.56 : 785,508,904,135.98 = 281,215,795,481.28 : x
  2. Step 2: Convert to fraction form
    523,521,417,970.56/785,508,904,135.98 = 281,215,795,481.28/x
  3. Step 3: Cross multiply
    523,521,417,970.56x = 785,508,904,135.98 × 281,215,795,481.28
  4. Step 4: Simplify right side
    523,521,417,970.56x = 220,897,511,334,228,162,248,704
  5. Step 5: Solve for x
    x = 220,897,511,334,228,162,248,704/523,521,417,970.56
  6. Step 6: Final answer
    x = 421,945,509,298.44

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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.