Home / 511,343,374.52-767,010,435.60-161,589,499.98

Finding the Fourth Proportional to 511,343,374.52, 767,010,435.60 and 161,589,499.98

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Solution

The fourth proportional to 511,343,374.52, 767,010,435.60 and 161,589,499.98 is: 242,382,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,343,374.52 : 767,010,435.60 = 161,589,499.98 : x
  2. Step 2: Convert to fraction form
    511,343,374.52/767,010,435.60 = 161,589,499.98/x
  3. Step 3: Cross multiply
    511,343,374.52x = 767,010,435.60 × 161,589,499.98
  4. Step 4: Simplify right side
    511,343,374.52x = 123,940,832,768,045,984
  5. Step 5: Solve for x
    x = 123,940,832,768,045,984/511,343,374.52
  6. Step 6: Final answer
    x = 242,382,788.05

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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.