Home / 6,990,021,759.37-9,646,229,658.97-3,774,931,439.77

Finding the Fourth Proportional to 6,990,021,759.37, 9,646,229,658.97 and 3,774,931,439.77

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Solution

The fourth proportional to 6,990,021,759.37, 9,646,229,658.97 and 3,774,931,439.77 is: 5,209,405,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,021,759.37 : 9,646,229,658.97 = 3,774,931,439.77 : x
  2. Step 2: Convert to fraction form
    6,990,021,759.37/9,646,229,658.97 = 3,774,931,439.77/x
  3. Step 3: Cross multiply
    6,990,021,759.37x = 9,646,229,658.97 × 3,774,931,439.77
  4. Step 4: Simplify right side
    6,990,021,759.37x = 36,413,855,614,946,168,832
  5. Step 5: Solve for x
    x = 36,413,855,614,946,168,832/6,990,021,759.37
  6. Step 6: Final answer
    x = 5,209,405,187.64

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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.