Home / 208,692,288,167.20-313,038,432,250.80-194,641,838,432.80

Finding the Fourth Proportional to 208,692,288,167.20, 313,038,432,250.80 and 194,641,838,432.80

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Solution

The fourth proportional to 208,692,288,167.20, 313,038,432,250.80 and 194,641,838,432.80 is: 291,962,757,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,692,288,167.20 : 313,038,432,250.80 = 194,641,838,432.80 : x
  2. Step 2: Convert to fraction form
    208,692,288,167.20/313,038,432,250.80 = 194,641,838,432.80/x
  3. Step 3: Cross multiply
    208,692,288,167.20x = 313,038,432,250.80 × 194,641,838,432.80
  4. Step 4: Simplify right side
    208,692,288,167.20x = 60,930,375,953,417,215,410,176
  5. Step 5: Solve for x
    x = 60,930,375,953,417,215,410,176/208,692,288,167.20
  6. Step 6: Final answer
    x = 291,962,757,649.20

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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.