Home / 426,453,846.91-639,719,808.31-119,743,893.07

Finding the Fourth Proportional to 426,453,846.91, 639,719,808.31 and 119,743,893.07

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Solution

The fourth proportional to 426,453,846.91, 639,719,808.31 and 119,743,893.07 is: 179,626,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,453,846.91 : 639,719,808.31 = 119,743,893.07 : x
  2. Step 2: Convert to fraction form
    426,453,846.91/639,719,808.31 = 119,743,893.07/x
  3. Step 3: Cross multiply
    426,453,846.91x = 639,719,808.31 × 119,743,893.07
  4. Step 4: Simplify right side
    426,453,846.91x = 76,602,540,319,583,904
  5. Step 5: Solve for x
    x = 76,602,540,319,583,904/426,453,846.91
  6. Step 6: Final answer
    x = 179,626,801.06

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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.