Home / 380,005,398.32-524,405,259.88-206,161,409.84

Finding the Fourth Proportional to 380,005,398.32, 524,405,259.88 and 206,161,409.84

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Solution

The fourth proportional to 380,005,398.32, 524,405,259.88 and 206,161,409.84 is: 284,501,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,005,398.32 : 524,405,259.88 = 206,161,409.84 : x
  2. Step 2: Convert to fraction form
    380,005,398.32/524,405,259.88 = 206,161,409.84/x
  3. Step 3: Cross multiply
    380,005,398.32x = 524,405,259.88 × 206,161,409.84
  4. Step 4: Simplify right side
    380,005,398.32x = 108,112,127,704,372,384
  5. Step 5: Solve for x
    x = 108,112,127,704,372,384/380,005,398.32
  6. Step 6: Final answer
    x = 284,501,557.56

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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.