Home / 293,895,880.80-440,339,936.40-191,607,266.40

Finding the Fourth Proportional to 293,895,880.80, 440,339,936.40 and 191,607,266.40

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Solution

The fourth proportional to 293,895,880.80, 440,339,936.40 and 191,607,266.40 is: 287,082,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,895,880.80 : 440,339,936.40 = 191,607,266.40 : x
  2. Step 2: Convert to fraction form
    293,895,880.80/440,339,936.40 = 191,607,266.40/x
  3. Step 3: Cross multiply
    293,895,880.80x = 440,339,936.40 × 191,607,266.40
  4. Step 4: Simplify right side
    293,895,880.80x = 84,372,331,500,353,856
  5. Step 5: Solve for x
    x = 84,372,331,500,353,856/293,895,880.80
  6. Step 6: Final answer
    x = 287,082,388.74

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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.