Home / 6,990,021,761.37-9,646,229,661.74-3,774,931,441.78

Finding the Fourth Proportional to 6,990,021,761.37, 9,646,229,661.74 and 3,774,931,441.78

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Solution

The fourth proportional to 6,990,021,761.37, 9,646,229,661.74 and 3,774,931,441.78 is: 5,209,405,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,021,761.37 : 9,646,229,661.74 = 3,774,931,441.78 : x
  2. Step 2: Convert to fraction form
    6,990,021,761.37/9,646,229,661.74 = 3,774,931,441.78/x
  3. Step 3: Cross multiply
    6,990,021,761.37x = 9,646,229,661.74 × 3,774,931,441.78
  4. Step 4: Simplify right side
    6,990,021,761.37x = 36,413,855,644,733,181,952
  5. Step 5: Solve for x
    x = 36,413,855,644,733,181,952/6,990,021,761.37
  6. Step 6: Final answer
    x = 5,209,405,190.41

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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.