Home / 790,351,085.44-1,185,419,005.44-208,036,568.96

Finding the Fourth Proportional to 790,351,085.44, 1,185,419,005.44 and 208,036,568.96

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Solution

The fourth proportional to 790,351,085.44, 1,185,419,005.44 and 208,036,568.96 is: 312,026,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,351,085.44 : 1,185,419,005.44 = 208,036,568.96 : x
  2. Step 2: Convert to fraction form
    790,351,085.44/1,185,419,005.44 = 208,036,568.96/x
  3. Step 3: Cross multiply
    790,351,085.44x = 1,185,419,005.44 × 208,036,568.96
  4. Step 4: Simplify right side
    790,351,085.44x = 246,610,502,671,713,184
  5. Step 5: Solve for x
    x = 246,610,502,671,713,184/790,351,085.44
  6. Step 6: Final answer
    x = 312,026,524.94

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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.