Home / 743,800,692.21-1,115,356,270.85-277,336,870.31

Finding the Fourth Proportional to 743,800,692.21, 1,115,356,270.85 and 277,336,870.31

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Solution

The fourth proportional to 743,800,692.21, 1,115,356,270.85 and 277,336,870.31 is: 415,876,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,800,692.21 : 1,115,356,270.85 = 277,336,870.31 : x
  2. Step 2: Convert to fraction form
    743,800,692.21/1,115,356,270.85 = 277,336,870.31/x
  3. Step 3: Cross multiply
    743,800,692.21x = 1,115,356,270.85 × 277,336,870.31
  4. Step 4: Simplify right side
    743,800,692.21x = 309,329,417,442,180,352
  5. Step 5: Solve for x
    x = 309,329,417,442,180,352/743,800,692.21
  6. Step 6: Final answer
    x = 415,876,753.92

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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.