Home / 867,070,084.88-1,196,557,872.31-470,593,074.58

Finding the Fourth Proportional to 867,070,084.88, 1,196,557,872.31 and 470,593,074.58

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Solution

The fourth proportional to 867,070,084.88, 1,196,557,872.31 and 470,593,074.58 is: 649,419,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,070,084.88 : 1,196,557,872.31 = 470,593,074.58 : x
  2. Step 2: Convert to fraction form
    867,070,084.88/1,196,557,872.31 = 470,593,074.58/x
  3. Step 3: Cross multiply
    867,070,084.88x = 1,196,557,872.31 × 470,593,074.58
  4. Step 4: Simplify right side
    867,070,084.88x = 563,091,848,040,839,232
  5. Step 5: Solve for x
    x = 563,091,848,040,839,232/867,070,084.88
  6. Step 6: Final answer
    x = 649,419,069.88

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.