Home / 338,645,634.56-508,018,927.76-120,277,630.88

Finding the Fourth Proportional to 338,645,634.56, 508,018,927.76 and 120,277,630.88

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Solution

The fourth proportional to 338,645,634.56, 508,018,927.76 and 120,277,630.88 is: 180,434,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,645,634.56 : 508,018,927.76 = 120,277,630.88 : x
  2. Step 2: Convert to fraction form
    338,645,634.56/508,018,927.76 = 120,277,630.88/x
  3. Step 3: Cross multiply
    338,645,634.56x = 508,018,927.76 × 120,277,630.88
  4. Step 4: Simplify right side
    338,645,634.56x = 61,103,313,073,170,664
  5. Step 5: Solve for x
    x = 61,103,313,073,170,664/338,645,634.56
  6. Step 6: Final answer
    x = 180,434,373.98

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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.