Home / 660,072,726,613.36-990,107,854,024.44-206,826,328,750.24

Finding the Fourth Proportional to 660,072,726,613.36, 990,107,854,024.44 and 206,826,328,750.24

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Solution

The fourth proportional to 660,072,726,613.36, 990,107,854,024.44 and 206,826,328,750.24 is: 310,239,105,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,072,726,613.36 : 990,107,854,024.44 = 206,826,328,750.24 : x
  2. Step 2: Convert to fraction form
    660,072,726,613.36/990,107,854,024.44 = 206,826,328,750.24/x
  3. Step 3: Cross multiply
    660,072,726,613.36x = 990,107,854,024.44 × 206,826,328,750.24
  4. Step 4: Simplify right side
    660,072,726,613.36x = 204,780,372,514,653,438,214,144
  5. Step 5: Solve for x
    x = 204,780,372,514,653,438,214,144/660,072,726,613.36
  6. Step 6: Final answer
    x = 310,239,105,871.44

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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.