Home / 654,328,583.76-902,976,374.42-356,969,924.81

Finding the Fourth Proportional to 654,328,583.76, 902,976,374.42 and 356,969,924.81

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Solution

The fourth proportional to 654,328,583.76, 902,976,374.42 and 356,969,924.81 is: 492,620,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,328,583.76 : 902,976,374.42 = 356,969,924.81 : x
  2. Step 2: Convert to fraction form
    654,328,583.76/902,976,374.42 = 356,969,924.81/x
  3. Step 3: Cross multiply
    654,328,583.76x = 902,976,374.42 × 356,969,924.81
  4. Step 4: Simplify right side
    654,328,583.76x = 322,335,408,482,371,904
  5. Step 5: Solve for x
    x = 322,335,408,482,371,904/654,328,583.76
  6. Step 6: Final answer
    x = 492,620,094.06

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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.