Home / 406,061,681.36-560,365,830.61-220,422,822.80

Finding the Fourth Proportional to 406,061,681.36, 560,365,830.61 and 220,422,822.80

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Solution

The fourth proportional to 406,061,681.36, 560,365,830.61 and 220,422,822.80 is: 304,183,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,061,681.36 : 560,365,830.61 = 220,422,822.80 : x
  2. Step 2: Convert to fraction form
    406,061,681.36/560,365,830.61 = 220,422,822.80/x
  3. Step 3: Cross multiply
    406,061,681.36x = 560,365,830.61 × 220,422,822.80
  4. Step 4: Simplify right side
    406,061,681.36x = 123,517,418,180,369,936
  5. Step 5: Solve for x
    x = 123,517,418,180,369,936/406,061,681.36
  6. Step 6: Final answer
    x = 304,183,881.05

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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.