Home / 743,895,468.72-1,115,798,028.84-277,466,980.32

Finding the Fourth Proportional to 743,895,468.72, 1,115,798,028.84 and 277,466,980.32

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Solution

The fourth proportional to 743,895,468.72, 1,115,798,028.84 and 277,466,980.32 is: 416,183,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,895,468.72 : 1,115,798,028.84 = 277,466,980.32 : x
  2. Step 2: Convert to fraction form
    743,895,468.72/1,115,798,028.84 = 277,466,980.32/x
  3. Step 3: Cross multiply
    743,895,468.72x = 1,115,798,028.84 × 277,466,980.32
  4. Step 4: Simplify right side
    743,895,468.72x = 309,597,109,709,243,072
  5. Step 5: Solve for x
    x = 309,597,109,709,243,072/743,895,468.72
  6. Step 6: Final answer
    x = 416,183,620.85

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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.