Home / 455,436,019.80-683,154,029.70-225,853,507.80

Finding the Fourth Proportional to 455,436,019.80, 683,154,029.70 and 225,853,507.80

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Solution

The fourth proportional to 455,436,019.80, 683,154,029.70 and 225,853,507.80 is: 338,780,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,436,019.80 : 683,154,029.70 = 225,853,507.80 : x
  2. Step 2: Convert to fraction form
    455,436,019.80/683,154,029.70 = 225,853,507.80/x
  3. Step 3: Cross multiply
    455,436,019.80x = 683,154,029.70 × 225,853,507.80
  4. Step 4: Simplify right side
    455,436,019.80x = 154,292,733,975,450,400
  5. Step 5: Solve for x
    x = 154,292,733,975,450,400/455,436,019.80
  6. Step 6: Final answer
    x = 338,780,261.70

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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.