Home / 426,270,501.54-639,660,840.30-183,933,405.54

Finding the Fourth Proportional to 426,270,501.54, 639,660,840.30 and 183,933,405.54

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Solution

The fourth proportional to 426,270,501.54, 639,660,840.30 and 183,933,405.54 is: 276,010,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,270,501.54 : 639,660,840.30 = 183,933,405.54 : x
  2. Step 2: Convert to fraction form
    426,270,501.54/639,660,840.30 = 183,933,405.54/x
  3. Step 3: Cross multiply
    426,270,501.54x = 639,660,840.30 × 183,933,405.54
  4. Step 4: Simplify right side
    426,270,501.54x = 117,654,996,746,957,056
  5. Step 5: Solve for x
    x = 117,654,996,746,957,056/426,270,501.54
  6. Step 6: Final answer
    x = 276,010,177.39

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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.