Home / 551,578,371.96-827,611,245.32-289,200,192.98

Finding the Fourth Proportional to 551,578,371.96, 827,611,245.32 and 289,200,192.98

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Solution

The fourth proportional to 551,578,371.96, 827,611,245.32 and 289,200,192.98 is: 433,928,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,578,371.96 : 827,611,245.32 = 289,200,192.98 : x
  2. Step 2: Convert to fraction form
    551,578,371.96/827,611,245.32 = 289,200,192.98/x
  3. Step 3: Cross multiply
    551,578,371.96x = 827,611,245.32 × 289,200,192.98
  4. Step 4: Simplify right side
    551,578,371.96x = 239,345,331,853,378,112
  5. Step 5: Solve for x
    x = 239,345,331,853,378,112/551,578,371.96
  6. Step 6: Final answer
    x = 433,928,058.13

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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.