Home / 293,895,930.80-440,340,011.40-191,607,316.40

Finding the Fourth Proportional to 293,895,930.80, 440,340,011.40 and 191,607,316.40

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Solution

The fourth proportional to 293,895,930.80, 440,340,011.40 and 191,607,316.40 is: 287,082,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,895,930.80 : 440,340,011.40 = 191,607,316.40 : x
  2. Step 2: Convert to fraction form
    293,895,930.80/440,340,011.40 = 191,607,316.40/x
  3. Step 3: Cross multiply
    293,895,930.80x = 440,340,011.40 × 191,607,316.40
  4. Step 4: Simplify right side
    293,895,930.80x = 84,372,367,887,899,408
  5. Step 5: Solve for x
    x = 84,372,367,887,899,408/293,895,930.80
  6. Step 6: Final answer
    x = 287,082,463.71

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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.