Home / 542,257,921.82-748,263,643.22-304,112,774.26

Finding the Fourth Proportional to 542,257,921.82, 748,263,643.22 and 304,112,774.26

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Solution

The fourth proportional to 542,257,921.82, 748,263,643.22 and 304,112,774.26 is: 419,646,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,257,921.82 : 748,263,643.22 = 304,112,774.26 : x
  2. Step 2: Convert to fraction form
    542,257,921.82/748,263,643.22 = 304,112,774.26/x
  3. Step 3: Cross multiply
    542,257,921.82x = 748,263,643.22 × 304,112,774.26
  4. Step 4: Simplify right side
    542,257,921.82x = 227,556,532,417,529,056
  5. Step 5: Solve for x
    x = 227,556,532,417,529,056/542,257,921.82
  6. Step 6: Final answer
    x = 419,646,303.47

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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.