Home / 18,958,544,549.64-26,152,872,465.46-11,722,278,882.19

Finding the Fourth Proportional to 18,958,544,549.64, 26,152,872,465.46 and 11,722,278,882.19

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Solution

The fourth proportional to 18,958,544,549.64, 26,152,872,465.46 and 11,722,278,882.19 is: 16,170,611,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958,544,549.64 : 26,152,872,465.46 = 11,722,278,882.19 : x
  2. Step 2: Convert to fraction form
    18,958,544,549.64/26,152,872,465.46 = 11,722,278,882.19/x
  3. Step 3: Cross multiply
    18,958,544,549.64x = 26,152,872,465.46 × 11,722,278,882.19
  4. Step 4: Simplify right side
    18,958,544,549.64x = 306,571,264,610,470,068,224
  5. Step 5: Solve for x
    x = 306,571,264,610,470,068,224/18,958,544,549.64
  6. Step 6: Final answer
    x = 16,170,611,821.37

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Double scale
Find fourth proportional to 18,958,544,550.64, 26,152,872,466.84 and 11,722,278,883.19
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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.