Home / 289,584,588.16-399,251,635.23-187,560,750.16

Finding the Fourth Proportional to 289,584,588.16, 399,251,635.23 and 187,560,750.16

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Solution

The fourth proportional to 289,584,588.16, 399,251,635.23 and 187,560,750.16 is: 258,590,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,584,588.16 : 399,251,635.23 = 187,560,750.16 : x
  2. Step 2: Convert to fraction form
    289,584,588.16/399,251,635.23 = 187,560,750.16/x
  3. Step 3: Cross multiply
    289,584,588.16x = 399,251,635.23 × 187,560,750.16
  4. Step 4: Simplify right side
    289,584,588.16x = 74,883,936,206,345,488
  5. Step 5: Solve for x
    x = 74,883,936,206,345,488/289,584,588.16
  6. Step 6: Final answer
    x = 258,590,889.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.