Home / 266,911,998.80-400,367,998.20-164,343,448.40

Finding the Fourth Proportional to 266,911,998.80, 400,367,998.20 and 164,343,448.40

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Solution

The fourth proportional to 266,911,998.80, 400,367,998.20 and 164,343,448.40 is: 246,515,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,911,998.80 : 400,367,998.20 = 164,343,448.40 : x
  2. Step 2: Convert to fraction form
    266,911,998.80/400,367,998.20 = 164,343,448.40/x
  3. Step 3: Cross multiply
    266,911,998.80x = 400,367,998.20 × 164,343,448.40
  4. Step 4: Simplify right side
    266,911,998.80x = 65,797,857,453,192,992
  5. Step 5: Solve for x
    x = 65,797,857,453,192,992/266,911,998.80
  6. Step 6: Final answer
    x = 246,515,172.60

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1.5x scale

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.