Home / 11,541,771,478.12-15,925,945,406.82-6,460,871,336.68

Finding the Fourth Proportional to 11,541,771,478.12, 15,925,945,406.82 and 6,460,871,336.68

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Solution

The fourth proportional to 11,541,771,478.12, 15,925,945,406.82 and 6,460,871,336.68 is: 8,915,051,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541,771,478.12 : 15,925,945,406.82 = 6,460,871,336.68 : x
  2. Step 2: Convert to fraction form
    11,541,771,478.12/15,925,945,406.82 = 6,460,871,336.68/x
  3. Step 3: Cross multiply
    11,541,771,478.12x = 15,925,945,406.82 × 6,460,871,336.68
  4. Step 4: Simplify right side
    11,541,771,478.12x = 102,895,484,188,453,847,040
  5. Step 5: Solve for x
    x = 102,895,484,188,453,847,040/11,541,771,478.12
  6. Step 6: Final answer
    x = 8,915,051,245.25

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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.