Home / 16,224,657,261.86-22,390,158,484.67-8,990,825,571.72

Finding the Fourth Proportional to 16,224,657,261.86, 22,390,158,484.67 and 8,990,825,571.72

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Solution

The fourth proportional to 16,224,657,261.86, 22,390,158,484.67 and 8,990,825,571.72 is: 12,407,412,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,224,657,261.86 : 22,390,158,484.67 = 8,990,825,571.72 : x
  2. Step 2: Convert to fraction form
    16,224,657,261.86/22,390,158,484.67 = 8,990,825,571.72/x
  3. Step 3: Cross multiply
    16,224,657,261.86x = 22,390,158,484.67 × 8,990,825,571.72
  4. Step 4: Simplify right side
    16,224,657,261.86x = 201,306,009,458,789,613,568
  5. Step 5: Solve for x
    x = 201,306,009,458,789,613,568/16,224,657,261.86
  6. Step 6: Final answer
    x = 12,407,412,138.81

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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.