Home / 9,681,521,352.20-13,360,363,656.76-5,394,915,343.92

Finding the Fourth Proportional to 9,681,521,352.20, 13,360,363,656.76 and 5,394,915,343.92

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Solution

The fourth proportional to 9,681,521,352.20, 13,360,363,656.76 and 5,394,915,343.92 is: 7,444,907,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,521,352.20 : 13,360,363,656.76 = 5,394,915,343.92 : x
  2. Step 2: Convert to fraction form
    9,681,521,352.20/13,360,363,656.76 = 5,394,915,343.92/x
  3. Step 3: Cross multiply
    9,681,521,352.20x = 13,360,363,656.76 × 5,394,915,343.92
  4. Step 4: Simplify right side
    9,681,521,352.20x = 72,078,030,892,205,645,824
  5. Step 5: Solve for x
    x = 72,078,030,892,205,645,824/9,681,521,352.20
  6. Step 6: Final answer
    x = 7,444,907,496.47

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Double scale
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1.5x scale

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.