Home / 401,996,979.20-602,995,468.80-336,240,012.80

Finding the Fourth Proportional to 401,996,979.20, 602,995,468.80 and 336,240,012.80

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Solution

The fourth proportional to 401,996,979.20, 602,995,468.80 and 336,240,012.80 is: 504,360,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,996,979.20 : 602,995,468.80 = 336,240,012.80 : x
  2. Step 2: Convert to fraction form
    401,996,979.20/602,995,468.80 = 336,240,012.80/x
  3. Step 3: Cross multiply
    401,996,979.20x = 602,995,468.80 × 336,240,012.80
  4. Step 4: Simplify right side
    401,996,979.20x = 202,751,204,147,653,984
  5. Step 5: Solve for x
    x = 202,751,204,147,653,984/401,996,979.20
  6. Step 6: Final answer
    x = 504,360,019.20

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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.