Home / 20,371,164,648.53-30,556,739,780.75-5,447,942,356.86

Finding the Fourth Proportional to 20,371,164,648.53, 30,556,739,780.75 and 5,447,942,356.86

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Solution

The fourth proportional to 20,371,164,648.53, 30,556,739,780.75 and 5,447,942,356.86 is: 8,171,911,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371,164,648.53 : 30,556,739,780.75 = 5,447,942,356.86 : x
  2. Step 2: Convert to fraction form
    20,371,164,648.53/30,556,739,780.75 = 5,447,942,356.86/x
  3. Step 3: Cross multiply
    20,371,164,648.53x = 30,556,739,780.75 × 5,447,942,356.86
  4. Step 4: Simplify right side
    20,371,164,648.53x = 166,471,356,939,107,762,176
  5. Step 5: Solve for x
    x = 166,471,356,939,107,762,176/20,371,164,648.53
  6. Step 6: Final answer
    x = 8,171,911,611.90

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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.