Home / 312,905,163.60-469,357,745.40-227,970,507.60

Finding the Fourth Proportional to 312,905,163.60, 469,357,745.40 and 227,970,507.60

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Solution

The fourth proportional to 312,905,163.60, 469,357,745.40 and 227,970,507.60 is: 341,955,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,905,163.60 : 469,357,745.40 = 227,970,507.60 : x
  2. Step 2: Convert to fraction form
    312,905,163.60/469,357,745.40 = 227,970,507.60/x
  3. Step 3: Cross multiply
    312,905,163.60x = 469,357,745.40 × 227,970,507.60
  4. Step 4: Simplify right side
    312,905,163.60x = 106,999,723,464,829,552
  5. Step 5: Solve for x
    x = 106,999,723,464,829,552/312,905,163.60
  6. Step 6: Final answer
    x = 341,955,761.40

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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.