Home / 475,245,836.10-712,994,725.35-168,505,964.10

Finding the Fourth Proportional to 475,245,836.10, 712,994,725.35 and 168,505,964.10

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Solution

The fourth proportional to 475,245,836.10, 712,994,725.35 and 168,505,964.10 is: 252,803,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,245,836.10 : 712,994,725.35 = 168,505,964.10 : x
  2. Step 2: Convert to fraction form
    475,245,836.10/712,994,725.35 = 168,505,964.10/x
  3. Step 3: Cross multiply
    475,245,836.10x = 712,994,725.35 × 168,505,964.10
  4. Step 4: Simplify right side
    475,245,836.10x = 120,143,863,593,316,464
  5. Step 5: Solve for x
    x = 120,143,863,593,316,464/475,245,836.10
  6. Step 6: Final answer
    x = 252,803,611.24

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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.