Home / 542,315,620.76-748,403,756.62-304,213,585.56

Finding the Fourth Proportional to 542,315,620.76, 748,403,756.62 and 304,213,585.56

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Solution

The fourth proportional to 542,315,620.76, 748,403,756.62 and 304,213,585.56 is: 419,819,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,315,620.76 : 748,403,756.62 = 304,213,585.56 : x
  2. Step 2: Convert to fraction form
    542,315,620.76/748,403,756.62 = 304,213,585.56/x
  3. Step 3: Cross multiply
    542,315,620.76x = 748,403,756.62 × 304,213,585.56
  4. Step 4: Simplify right side
    542,315,620.76x = 227,674,590,247,943,776
  5. Step 5: Solve for x
    x = 227,674,590,247,943,776/542,315,620.76
  6. Step 6: Final answer
    x = 419,819,347.87

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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.