Home / 330,725,377.32-456,444,480.78-189,651,805.08

Finding the Fourth Proportional to 330,725,377.32, 456,444,480.78 and 189,651,805.08

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Solution

The fourth proportional to 330,725,377.32, 456,444,480.78 and 189,651,805.08 is: 261,744,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,725,377.32 : 456,444,480.78 = 189,651,805.08 : x
  2. Step 2: Convert to fraction form
    330,725,377.32/456,444,480.78 = 189,651,805.08/x
  3. Step 3: Cross multiply
    330,725,377.32x = 456,444,480.78 × 189,651,805.08
  4. Step 4: Simplify right side
    330,725,377.32x = 86,565,519,698,730,368
  5. Step 5: Solve for x
    x = 86,565,519,698,730,368/330,725,377.32
  6. Step 6: Final answer
    x = 261,744,412.84

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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.