Home / 293,417,963.20-440,126,944.80-196,672,081.60

Finding the Fourth Proportional to 293,417,963.20, 440,126,944.80 and 196,672,081.60

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Solution

The fourth proportional to 293,417,963.20, 440,126,944.80 and 196,672,081.60 is: 295,008,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,417,963.20 : 440,126,944.80 = 196,672,081.60 : x
  2. Step 2: Convert to fraction form
    293,417,963.20/440,126,944.80 = 196,672,081.60/x
  3. Step 3: Cross multiply
    293,417,963.20x = 440,126,944.80 × 196,672,081.60
  4. Step 4: Simplify right side
    293,417,963.20x = 86,560,682,402,064,288
  5. Step 5: Solve for x
    x = 86,560,682,402,064,288/293,417,963.20
  6. Step 6: Final answer
    x = 295,008,122.40

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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.