Home / 384,886,026.54-531,153,918.99-217,618,694.69

Finding the Fourth Proportional to 384,886,026.54, 531,153,918.99 and 217,618,694.69

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Solution

The fourth proportional to 384,886,026.54, 531,153,918.99 and 217,618,694.69 is: 300,320,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,886,026.54 : 531,153,918.99 = 217,618,694.69 : x
  2. Step 2: Convert to fraction form
    384,886,026.54/531,153,918.99 = 217,618,694.69/x
  3. Step 3: Cross multiply
    384,886,026.54x = 531,153,918.99 × 217,618,694.69
  4. Step 4: Simplify right side
    384,886,026.54x = 115,589,022,527,426,032
  5. Step 5: Solve for x
    x = 115,589,022,527,426,032/384,886,026.54
  6. Step 6: Final answer
    x = 300,320,132.60

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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.