Home / 298,655,998.40-447,983,997.60-238,189,822.40

Finding the Fourth Proportional to 298,655,998.40, 447,983,997.60 and 238,189,822.40

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Solution

The fourth proportional to 298,655,998.40, 447,983,997.60 and 238,189,822.40 is: 357,284,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,655,998.40 : 447,983,997.60 = 238,189,822.40 : x
  2. Step 2: Convert to fraction form
    298,655,998.40/447,983,997.60 = 238,189,822.40/x
  3. Step 3: Cross multiply
    298,655,998.40x = 447,983,997.60 × 238,189,822.40
  4. Step 4: Simplify right side
    298,655,998.40x = 106,705,228,826,386,032
  5. Step 5: Solve for x
    x = 106,705,228,826,386,032/298,655,998.40
  6. Step 6: Final answer
    x = 357,284,733.60

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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.