Home / 550,370,685.15-825,556,027.73-508,280,557.95

Finding the Fourth Proportional to 550,370,685.15, 825,556,027.73 and 508,280,557.95

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Solution

The fourth proportional to 550,370,685.15, 825,556,027.73 and 508,280,557.95 is: 762,420,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,370,685.15 : 825,556,027.73 = 508,280,557.95 : x
  2. Step 2: Convert to fraction form
    550,370,685.15/825,556,027.73 = 508,280,557.95/x
  3. Step 3: Cross multiply
    550,370,685.15x = 825,556,027.73 × 508,280,557.95
  4. Step 4: Simplify right side
    550,370,685.15x = 419,614,078,391,048,640
  5. Step 5: Solve for x
    x = 419,614,078,391,048,640/550,370,685.15
  6. Step 6: Final answer
    x = 762,420,836.93

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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.