Home / 419,055,119,779.80-628,573,603,998.78-116,859,659,228.04

Finding the Fourth Proportional to 419,055,119,779.80, 628,573,603,998.78 and 116,859,659,228.04

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Solution

The fourth proportional to 419,055,119,779.80, 628,573,603,998.78 and 116,859,659,228.04 is: 175,286,957,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,055,119,779.80 : 628,573,603,998.78 = 116,859,659,228.04 : x
  2. Step 2: Convert to fraction form
    419,055,119,779.80/628,573,603,998.78 = 116,859,659,228.04/x
  3. Step 3: Cross multiply
    419,055,119,779.80x = 628,573,603,998.78 × 116,859,659,228.04
  4. Step 4: Simplify right side
    419,055,119,779.80x = 73,454,897,163,038,393,106,432
  5. Step 5: Solve for x
    x = 73,454,897,163,038,393,106,432/419,055,119,779.80
  6. Step 6: Final answer
    x = 175,286,957,958.27

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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.