Home / 372,263,998.60-558,395,997.90-340,015,371.40

Finding the Fourth Proportional to 372,263,998.60, 558,395,997.90 and 340,015,371.40

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Solution

The fourth proportional to 372,263,998.60, 558,395,997.90 and 340,015,371.40 is: 510,023,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,263,998.60 : 558,395,997.90 = 340,015,371.40 : x
  2. Step 2: Convert to fraction form
    372,263,998.60/558,395,997.90 = 340,015,371.40/x
  3. Step 3: Cross multiply
    372,263,998.60x = 558,395,997.90 × 340,015,371.40
  4. Step 4: Simplify right side
    372,263,998.60x = 189,863,222,614,242,112
  5. Step 5: Solve for x
    x = 189,863,222,614,242,112/372,263,998.60
  6. Step 6: Final answer
    x = 510,023,057.10

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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.