Home / 418,878,357.76-628,107,322.20-244,057,888.36

Finding the Fourth Proportional to 418,878,357.76, 628,107,322.20 and 244,057,888.36

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Solution

The fourth proportional to 418,878,357.76, 628,107,322.20 and 244,057,888.36 is: 365,964,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,878,357.76 : 628,107,322.20 = 244,057,888.36 : x
  2. Step 2: Convert to fraction form
    418,878,357.76/628,107,322.20 = 244,057,888.36/x
  3. Step 3: Cross multiply
    418,878,357.76x = 628,107,322.20 × 244,057,888.36
  4. Step 4: Simplify right side
    418,878,357.76x = 153,294,546,719,586,176
  5. Step 5: Solve for x
    x = 153,294,546,719,586,176/418,878,357.76
  6. Step 6: Final answer
    x = 365,964,351.89

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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.