Home / 20,371,164,646.26-30,556,739,777.37-5,447,942,354.61

Finding the Fourth Proportional to 20,371,164,646.26, 30,556,739,777.37 and 5,447,942,354.61

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Solution

The fourth proportional to 20,371,164,646.26, 30,556,739,777.37 and 5,447,942,354.61 is: 8,171,911,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371,164,646.26 : 30,556,739,777.37 = 5,447,942,354.61 : x
  2. Step 2: Convert to fraction form
    20,371,164,646.26/30,556,739,777.37 = 5,447,942,354.61/x
  3. Step 3: Cross multiply
    20,371,164,646.26x = 30,556,739,777.37 × 5,447,942,354.61
  4. Step 4: Simplify right side
    20,371,164,646.26x = 166,471,356,851,994,722,304
  5. Step 5: Solve for x
    x = 166,471,356,851,994,722,304/20,371,164,646.26
  6. Step 6: Final answer
    x = 8,171,911,608.53

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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.