Home / 498,709,245.24-688,219,692.48-278,692,671.24

Finding the Fourth Proportional to 498,709,245.24, 688,219,692.48 and 278,692,671.24

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Solution

The fourth proportional to 498,709,245.24, 688,219,692.48 and 278,692,671.24 is: 384,596,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,709,245.24 : 688,219,692.48 = 278,692,671.24 : x
  2. Step 2: Convert to fraction form
    498,709,245.24/688,219,692.48 = 278,692,671.24/x
  3. Step 3: Cross multiply
    498,709,245.24x = 688,219,692.48 × 278,692,671.24
  4. Step 4: Simplify right side
    498,709,245.24x = 191,801,784,497,222,560
  5. Step 5: Solve for x
    x = 191,801,784,497,222,560/498,709,245.24
  6. Step 6: Final answer
    x = 384,596,408.28

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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.