Home / 666,409,519.80-999,614,279.70-322,035,751.80

Finding the Fourth Proportional to 666,409,519.80, 999,614,279.70 and 322,035,751.80

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Solution

The fourth proportional to 666,409,519.80, 999,614,279.70 and 322,035,751.80 is: 483,053,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,409,519.80 : 999,614,279.70 = 322,035,751.80 : x
  2. Step 2: Convert to fraction form
    666,409,519.80/999,614,279.70 = 322,035,751.80/x
  3. Step 3: Cross multiply
    666,409,519.80x = 999,614,279.70 × 322,035,751.80
  4. Step 4: Simplify right side
    666,409,519.80x = 321,911,536,073,204,992
  5. Step 5: Solve for x
    x = 321,911,536,073,204,992/666,409,519.80
  6. Step 6: Final answer
    x = 483,053,627.70

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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.