Home / 330,725,381.32-456,444,486.30-189,651,809.08

Finding the Fourth Proportional to 330,725,381.32, 456,444,486.30 and 189,651,809.08

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Solution

The fourth proportional to 330,725,381.32, 456,444,486.30 and 189,651,809.08 is: 261,744,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,725,381.32 : 456,444,486.30 = 189,651,809.08 : x
  2. Step 2: Convert to fraction form
    330,725,381.32/456,444,486.30 = 189,651,809.08/x
  3. Step 3: Cross multiply
    330,725,381.32x = 456,444,486.30 × 189,651,809.08
  4. Step 4: Simplify right side
    330,725,381.32x = 86,565,522,571,386,288
  5. Step 5: Solve for x
    x = 86,565,522,571,386,288/330,725,381.32
  6. Step 6: Final answer
    x = 261,744,418.36

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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.