Home / 351,619,796.40-527,618,651.40-147,168,538.80

Finding the Fourth Proportional to 351,619,796.40, 527,618,651.40 and 147,168,538.80

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Solution

The fourth proportional to 351,619,796.40, 527,618,651.40 and 147,168,538.80 is: 220,831,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,619,796.40 : 527,618,651.40 = 147,168,538.80 : x
  2. Step 2: Convert to fraction form
    351,619,796.40/527,618,651.40 = 147,168,538.80/x
  3. Step 3: Cross multiply
    351,619,796.40x = 527,618,651.40 × 147,168,538.80
  4. Step 4: Simplify right side
    351,619,796.40x = 77,648,865,970,164,576
  5. Step 5: Solve for x
    x = 77,648,865,970,164,576/351,619,796.40
  6. Step 6: Final answer
    x = 220,831,895.03

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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.