Home / 511,489,538.40-767,333,840.40-220,356,098.40

Finding the Fourth Proportional to 511,489,538.40, 767,333,840.40 and 220,356,098.40

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Solution

The fourth proportional to 511,489,538.40, 767,333,840.40 and 220,356,098.40 is: 330,577,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,489,538.40 : 767,333,840.40 = 220,356,098.40 : x
  2. Step 2: Convert to fraction form
    511,489,538.40/767,333,840.40 = 220,356,098.40/x
  3. Step 3: Cross multiply
    511,489,538.40x = 767,333,840.40 × 220,356,098.40
  4. Step 4: Simplify right side
    511,489,538.40x = 169,086,691,240,832,288
  5. Step 5: Solve for x
    x = 169,086,691,240,832,288/511,489,538.40
  6. Step 6: Final answer
    x = 330,577,027.58

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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.