Home / 1,192,504,457.28-1,645,710,464.31-663,902,016.54

Finding the Fourth Proportional to 1,192,504,457.28, 1,645,710,464.31 and 663,902,016.54

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Solution

The fourth proportional to 1,192,504,457.28, 1,645,710,464.31 and 663,902,016.54 is: 916,215,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,504,457.28 : 1,645,710,464.31 = 663,902,016.54 : x
  2. Step 2: Convert to fraction form
    1,192,504,457.28/1,645,710,464.31 = 663,902,016.54/x
  3. Step 3: Cross multiply
    1,192,504,457.28x = 1,645,710,464.31 × 663,902,016.54
  4. Step 4: Simplify right side
    1,192,504,457.28x = 1,092,590,495,896,388,608
  5. Step 5: Solve for x
    x = 1,092,590,495,896,388,608/1,192,504,457.28
  6. Step 6: Final answer
    x = 916,215,020.60

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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.