Home / 338,645,577.52-508,018,842.24-120,277,573.84

Finding the Fourth Proportional to 338,645,577.52, 508,018,842.24 and 120,277,573.84

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Solution

The fourth proportional to 338,645,577.52, 508,018,842.24 and 120,277,573.84 is: 180,434,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,645,577.52 : 508,018,842.24 = 120,277,573.84 : x
  2. Step 2: Convert to fraction form
    338,645,577.52/508,018,842.24 = 120,277,573.84/x
  3. Step 3: Cross multiply
    338,645,577.52x = 508,018,842.24 × 120,277,573.84
  4. Step 4: Simplify right side
    338,645,577.52x = 61,103,273,809,632,912
  5. Step 5: Solve for x
    x = 61,103,273,809,632,912/338,645,577.52
  6. Step 6: Final answer
    x = 180,434,288.43

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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.