Home / 406,250,912.64-560,624,506.56-220,610,398.08

Finding the Fourth Proportional to 406,250,912.64, 560,624,506.56 and 220,610,398.08

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Solution

The fourth proportional to 406,250,912.64, 560,624,506.56 and 220,610,398.08 is: 304,441,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,250,912.64 : 560,624,506.56 = 220,610,398.08 : x
  2. Step 2: Convert to fraction form
    406,250,912.64/560,624,506.56 = 220,610,398.08/x
  3. Step 3: Cross multiply
    406,250,912.64x = 560,624,506.56 × 220,610,398.08
  4. Step 4: Simplify right side
    406,250,912.64x = 123,679,595,565,605,168
  5. Step 5: Solve for x
    x = 123,679,595,565,605,168/406,250,912.64
  6. Step 6: Final answer
    x = 304,441,397.47

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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.