Home / 666,858,727.88-1,000,197,288.60-175,530,853.55

Finding the Fourth Proportional to 666,858,727.88, 1,000,197,288.60 and 175,530,853.55

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Solution

The fourth proportional to 666,858,727.88, 1,000,197,288.60 and 175,530,853.55 is: 263,272,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,858,727.88 : 1,000,197,288.60 = 175,530,853.55 : x
  2. Step 2: Convert to fraction form
    666,858,727.88/1,000,197,288.60 = 175,530,853.55/x
  3. Step 3: Cross multiply
    666,858,727.88x = 1,000,197,288.60 × 175,530,853.55
  4. Step 4: Simplify right side
    666,858,727.88x = 175,565,483,785,858,080
  5. Step 5: Solve for x
    x = 175,565,483,785,858,080/666,858,727.88
  6. Step 6: Final answer
    x = 263,272,379.06

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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.