Home / 293,415,764.80-440,123,647.20-190,103,634.40

Finding the Fourth Proportional to 293,415,764.80, 440,123,647.20 and 190,103,634.40

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Solution

The fourth proportional to 293,415,764.80, 440,123,647.20 and 190,103,634.40 is: 285,155,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,415,764.80 : 440,123,647.20 = 190,103,634.40 : x
  2. Step 2: Convert to fraction form
    293,415,764.80/440,123,647.20 = 190,103,634.40/x
  3. Step 3: Cross multiply
    293,415,764.80x = 440,123,647.20 × 190,103,634.40
  4. Step 4: Simplify right side
    293,415,764.80x = 83,669,104,918,103,392
  5. Step 5: Solve for x
    x = 83,669,104,918,103,392/293,415,764.80
  6. Step 6: Final answer
    x = 285,155,451.60

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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.