Home / 12,479,025,693.60-17,192,112,688.80-8,713,872,496.80

Finding the Fourth Proportional to 12,479,025,693.60, 17,192,112,688.80 and 8,713,872,496.80

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Solution

The fourth proportional to 12,479,025,693.60, 17,192,112,688.80 and 8,713,872,496.80 is: 12,004,933,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,025,693.60 : 17,192,112,688.80 = 8,713,872,496.80 : x
  2. Step 2: Convert to fraction form
    12,479,025,693.60/17,192,112,688.80 = 8,713,872,496.80/x
  3. Step 3: Cross multiply
    12,479,025,693.60x = 17,192,112,688.80 × 8,713,872,496.80
  4. Step 4: Simplify right side
    12,479,025,693.60x = 149,809,877,920,820,592,640
  5. Step 5: Solve for x
    x = 149,809,877,920,820,592,640/12,479,025,693.60
  6. Step 6: Final answer
    x = 12,004,933,846.53

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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.