Home / 542,257,913.79-748,263,632.22-304,112,766.24

Finding the Fourth Proportional to 542,257,913.79, 748,263,632.22 and 304,112,766.24

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Solution

The fourth proportional to 542,257,913.79, 748,263,632.22 and 304,112,766.24 is: 419,646,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,257,913.79 : 748,263,632.22 = 304,112,766.24 : x
  2. Step 2: Convert to fraction form
    542,257,913.79/748,263,632.22 = 304,112,766.24/x
  3. Step 3: Cross multiply
    542,257,913.79x = 748,263,632.22 × 304,112,766.24
  4. Step 4: Simplify right side
    542,257,913.79x = 227,556,523,071,214,208
  5. Step 5: Solve for x
    x = 227,556,523,071,214,208/542,257,913.79
  6. Step 6: Final answer
    x = 419,646,292.45

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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.