Home / 402,396,842.20-602,979,198.84-270,751,505.67

Finding the Fourth Proportional to 402,396,842.20, 602,979,198.84 and 270,751,505.67

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Solution

The fourth proportional to 402,396,842.20, 602,979,198.84 and 270,751,505.67 is: 405,712,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,396,842.20 : 602,979,198.84 = 270,751,505.67 : x
  2. Step 2: Convert to fraction form
    402,396,842.20/602,979,198.84 = 270,751,505.67/x
  3. Step 3: Cross multiply
    402,396,842.20x = 602,979,198.84 × 270,751,505.67
  4. Step 4: Simplify right side
    402,396,842.20x = 163,257,525,972,758,048
  5. Step 5: Solve for x
    x = 163,257,525,972,758,048/402,396,842.20
  6. Step 6: Final answer
    x = 405,712,741.38

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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.