Home / 406,010,868.62-560,279,995.65-220,367,898.50

Finding the Fourth Proportional to 406,010,868.62, 560,279,995.65 and 220,367,898.50

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Solution

The fourth proportional to 406,010,868.62, 560,279,995.65 and 220,367,898.50 is: 304,099,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,868.62 : 560,279,995.65 = 220,367,898.50 : x
  2. Step 2: Convert to fraction form
    406,010,868.62/560,279,995.65 = 220,367,898.50/x
  3. Step 3: Cross multiply
    406,010,868.62x = 560,279,995.65 × 220,367,898.50
  4. Step 4: Simplify right side
    406,010,868.62x = 123,467,725,210,178,240
  5. Step 5: Solve for x
    x = 123,467,725,210,178,240/406,010,868.62
  6. Step 6: Final answer
    x = 304,099,556.82

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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.