Home / 383,952,115.24-529,853,910.80-207,740,110.65

Finding the Fourth Proportional to 383,952,115.24, 529,853,910.80 and 207,740,110.65

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Solution

The fourth proportional to 383,952,115.24, 529,853,910.80 and 207,740,110.65 is: 286,681,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,952,115.24 : 529,853,910.80 = 207,740,110.65 : x
  2. Step 2: Convert to fraction form
    383,952,115.24/529,853,910.80 = 207,740,110.65/x
  3. Step 3: Cross multiply
    383,952,115.24x = 529,853,910.80 × 207,740,110.65
  4. Step 4: Simplify right side
    383,952,115.24x = 110,071,910,056,064,928
  5. Step 5: Solve for x
    x = 110,071,910,056,064,928/383,952,115.24
  6. Step 6: Final answer
    x = 286,681,348.24

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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.