Home / 365,590,618.76-504,515,053.94-208,961,088.78

Finding the Fourth Proportional to 365,590,618.76, 504,515,053.94 and 208,961,088.78

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Solution

The fourth proportional to 365,590,618.76, 504,515,053.94 and 208,961,088.78 is: 288,366,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,618.76 : 504,515,053.94 = 208,961,088.78 : x
  2. Step 2: Convert to fraction form
    365,590,618.76/504,515,053.94 = 208,961,088.78/x
  3. Step 3: Cross multiply
    365,590,618.76x = 504,515,053.94 × 208,961,088.78
  4. Step 4: Simplify right side
    365,590,618.76x = 105,424,014,977,202,832
  5. Step 5: Solve for x
    x = 105,424,014,977,202,832/365,590,618.76
  6. Step 6: Final answer
    x = 288,366,302.55

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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.