Home / 522,290,422.80-783,435,634.20-369,235,414.80

Finding the Fourth Proportional to 522,290,422.80, 783,435,634.20 and 369,235,414.80

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Solution

The fourth proportional to 522,290,422.80, 783,435,634.20 and 369,235,414.80 is: 553,853,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,290,422.80 : 783,435,634.20 = 369,235,414.80 : x
  2. Step 2: Convert to fraction form
    522,290,422.80/783,435,634.20 = 369,235,414.80/x
  3. Step 3: Cross multiply
    522,290,422.80x = 783,435,634.20 × 369,235,414.80
  4. Step 4: Simplify right side
    522,290,422.80x = 289,272,181,362,938,112
  5. Step 5: Solve for x
    x = 289,272,181,362,938,112/522,290,422.80
  6. Step 6: Final answer
    x = 553,853,122.20

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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.