Home / 401,996,983.20-602,995,474.80-336,240,016.80

Finding the Fourth Proportional to 401,996,983.20, 602,995,474.80 and 336,240,016.80

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Solution

The fourth proportional to 401,996,983.20, 602,995,474.80 and 336,240,016.80 is: 504,360,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,996,983.20 : 602,995,474.80 = 336,240,016.80 : x
  2. Step 2: Convert to fraction form
    401,996,983.20/602,995,474.80 = 336,240,016.80/x
  3. Step 3: Cross multiply
    401,996,983.20x = 602,995,474.80 × 336,240,016.80
  4. Step 4: Simplify right side
    401,996,983.20x = 202,751,208,577,075,968
  5. Step 5: Solve for x
    x = 202,751,208,577,075,968/401,996,983.20
  6. Step 6: Final answer
    x = 504,360,025.20

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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.