Home / 293,410,838.60-440,116,257.90-191,374,166.60

Finding the Fourth Proportional to 293,410,838.60, 440,116,257.90 and 191,374,166.60

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Solution

The fourth proportional to 293,410,838.60, 440,116,257.90 and 191,374,166.60 is: 287,061,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,410,838.60 : 440,116,257.90 = 191,374,166.60 : x
  2. Step 2: Convert to fraction form
    293,410,838.60/440,116,257.90 = 191,374,166.60/x
  3. Step 3: Cross multiply
    293,410,838.60x = 440,116,257.90 × 191,374,166.60
  4. Step 4: Simplify right side
    293,410,838.60x = 84,226,882,062,723,152
  5. Step 5: Solve for x
    x = 84,226,882,062,723,152/293,410,838.60
  6. Step 6: Final answer
    x = 287,061,249.90

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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.