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Finding the Fourth Proportional to 663,552,873.60, 995,329,310.40 and 373,315,228.80

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Solution

The fourth proportional to 663,552,873.60, 995,329,310.40 and 373,315,228.80 is: 559,972,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,873.60 : 995,329,310.40 = 373,315,228.80 : x
  2. Step 2: Convert to fraction form
    663,552,873.60/995,329,310.40 = 373,315,228.80/x
  3. Step 3: Cross multiply
    663,552,873.60x = 995,329,310.40 × 373,315,228.80
  4. Step 4: Simplify right side
    663,552,873.60x = 371,571,589,243,322,240
  5. Step 5: Solve for x
    x = 371,571,589,243,322,240/663,552,873.60
  6. Step 6: Final answer
    x = 559,972,843.20

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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.