Home / 372,263,997.60-558,395,996.40-340,015,370.40

Finding the Fourth Proportional to 372,263,997.60, 558,395,996.40 and 340,015,370.40

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Solution

The fourth proportional to 372,263,997.60, 558,395,996.40 and 340,015,370.40 is: 510,023,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,263,997.60 : 558,395,996.40 = 340,015,370.40 : x
  2. Step 2: Convert to fraction form
    372,263,997.60/558,395,996.40 = 340,015,370.40/x
  3. Step 3: Cross multiply
    372,263,997.60x = 558,395,996.40 × 340,015,370.40
  4. Step 4: Simplify right side
    372,263,997.60x = 189,863,221,545,823,040
  5. Step 5: Solve for x
    x = 189,863,221,545,823,040/372,263,997.60
  6. Step 6: Final answer
    x = 510,023,055.60

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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.