Home / 1,192,843,526,511.50-1,789,516,581,367.90-386,947,540,681.12

Finding the Fourth Proportional to 1,192,843,526,511.50, 1,789,516,581,367.90 and 386,947,540,681.12

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Solution

The fourth proportional to 1,192,843,526,511.50, 1,789,516,581,367.90 and 386,947,540,681.12 is: 580,502,827,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,843,526,511.50 : 1,789,516,581,367.90 = 386,947,540,681.12 : x
  2. Step 2: Convert to fraction form
    1,192,843,526,511.50/1,789,516,581,367.90 = 386,947,540,681.12/x
  3. Step 3: Cross multiply
    1,192,843,526,511.50x = 1,789,516,581,367.90 × 386,947,540,681.12
  4. Step 4: Simplify right side
    1,192,843,526,511.50x = 692,449,040,168,394,294,296,576
  5. Step 5: Solve for x
    x = 692,449,040,168,394,294,296,576/1,192,843,526,511.50
  6. Step 6: Final answer
    x = 580,502,827,720.82

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Double scale
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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.