Home / 6,789,523,925.77-9,369,851,558.91-3,778,969,451.42

Finding the Fourth Proportional to 6,789,523,925.77, 9,369,851,558.91 and 3,778,969,451.42

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Solution

The fourth proportional to 6,789,523,925.77, 9,369,851,558.91 and 3,778,969,451.42 is: 5,215,149,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,523,925.77 : 9,369,851,558.91 = 3,778,969,451.42 : x
  2. Step 2: Convert to fraction form
    6,789,523,925.77/9,369,851,558.91 = 3,778,969,451.42/x
  3. Step 3: Cross multiply
    6,789,523,925.77x = 9,369,851,558.91 × 3,778,969,451.42
  4. Step 4: Simplify right side
    6,789,523,925.77x = 35,408,382,805,460,955,136
  5. Step 5: Solve for x
    x = 35,408,382,805,460,955,136/6,789,523,925.77
  6. Step 6: Final answer
    x = 5,215,149,573.46

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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.