Home / 436,873,998.80-654,460,692.60-263,836,809.20

Finding the Fourth Proportional to 436,873,998.80, 654,460,692.60 and 263,836,809.20

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Solution

The fourth proportional to 436,873,998.80, 654,460,692.60 and 263,836,809.20 is: 395,241,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,873,998.80 : 654,460,692.60 = 263,836,809.20 : x
  2. Step 2: Convert to fraction form
    436,873,998.80/654,460,692.60 = 263,836,809.20/x
  3. Step 3: Cross multiply
    436,873,998.80x = 654,460,692.60 × 263,836,809.20
  4. Step 4: Simplify right side
    436,873,998.80x = 172,670,820,882,406,048
  5. Step 5: Solve for x
    x = 172,670,820,882,406,048/436,873,998.80
  6. Step 6: Final answer
    x = 395,241,697.51

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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.