Home / 475,239,616.80-713,279,329.20-280,908,045.60

Finding the Fourth Proportional to 475,239,616.80, 713,279,329.20 and 280,908,045.60

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Solution

The fourth proportional to 475,239,616.80, 713,279,329.20 and 280,908,045.60 is: 421,610,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,239,616.80 : 713,279,329.20 = 280,908,045.60 : x
  2. Step 2: Convert to fraction form
    475,239,616.80/713,279,329.20 = 280,908,045.60/x
  3. Step 3: Cross multiply
    475,239,616.80x = 713,279,329.20 × 280,908,045.60
  4. Step 4: Simplify right side
    475,239,616.80x = 200,365,902,332,451,040
  5. Step 5: Solve for x
    x = 200,365,902,332,451,040/475,239,616.80
  6. Step 6: Final answer
    x = 421,610,268.27

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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.