Home / 511,739,085.44-767,429,022-143,174,997.92

Finding the Fourth Proportional to 511,739,085.44, 767,429,022 and 143,174,997.92

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Solution

The fourth proportional to 511,739,085.44, 767,429,022 and 143,174,997.92 is: 214,712,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,739,085.44 : 767,429,022 = 143,174,997.92 : x
  2. Step 2: Convert to fraction form
    511,739,085.44/767,429,022 = 143,174,997.92/x
  3. Step 3: Cross multiply
    511,739,085.44x = 767,429,022 × 143,174,997.92
  4. Step 4: Simplify right side
    511,739,085.44x = 109,876,648,628,597,632
  5. Step 5: Solve for x
    x = 109,876,648,628,597,632/511,739,085.44
  6. Step 6: Final answer
    x = 214,712,246.45

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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.