Home / 6,990,021,873.19-9,646,229,816.09-3,774,931,553.55

Finding the Fourth Proportional to 6,990,021,873.19, 9,646,229,816.09 and 3,774,931,553.55

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Solution

The fourth proportional to 6,990,021,873.19, 9,646,229,816.09 and 3,774,931,553.55 is: 5,209,405,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,021,873.19 : 9,646,229,816.09 = 3,774,931,553.55 : x
  2. Step 2: Convert to fraction form
    6,990,021,873.19/9,646,229,816.09 = 3,774,931,553.55/x
  3. Step 3: Cross multiply
    6,990,021,873.19x = 9,646,229,816.09 × 3,774,931,553.55
  4. Step 4: Simplify right side
    6,990,021,873.19x = 36,413,857,305,584,701,440
  5. Step 5: Solve for x
    x = 36,413,857,305,584,701,440/6,990,021,873.19
  6. Step 6: Final answer
    x = 5,209,405,344.68

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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.