Home / 406,382,412.06-560,807,301.87-220,743,572.94

Finding the Fourth Proportional to 406,382,412.06, 560,807,301.87 and 220,743,572.94

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Solution

The fourth proportional to 406,382,412.06, 560,807,301.87 and 220,743,572.94 is: 304,625,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,382,412.06 : 560,807,301.87 = 220,743,572.94 : x
  2. Step 2: Convert to fraction form
    406,382,412.06/560,807,301.87 = 220,743,572.94/x
  3. Step 3: Cross multiply
    406,382,412.06x = 560,807,301.87 × 220,743,572.94
  4. Step 4: Simplify right side
    406,382,412.06x = 123,794,607,545,624,944
  5. Step 5: Solve for x
    x = 123,794,607,545,624,944/406,382,412.06
  6. Step 6: Final answer
    x = 304,625,898.84

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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.