Home / 311,176,987.80-466,765,481.70-293,320,570.20

Finding the Fourth Proportional to 311,176,987.80, 466,765,481.70 and 293,320,570.20

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Solution

The fourth proportional to 311,176,987.80, 466,765,481.70 and 293,320,570.20 is: 439,980,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,176,987.80 : 466,765,481.70 = 293,320,570.20 : x
  2. Step 2: Convert to fraction form
    311,176,987.80/466,765,481.70 = 293,320,570.20/x
  3. Step 3: Cross multiply
    311,176,987.80x = 466,765,481.70 × 293,320,570.20
  4. Step 4: Simplify right side
    311,176,987.80x = 136,911,917,241,921,664
  5. Step 5: Solve for x
    x = 136,911,917,241,921,664/311,176,987.80
  6. Step 6: Final answer
    x = 439,980,855.30

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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.