Home / 25,968,691,081.66-38,978,225,582.19-12,532,430,644.96

Finding the Fourth Proportional to 25,968,691,081.66, 38,978,225,582.19 and 12,532,430,644.96

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Solution

The fourth proportional to 25,968,691,081.66, 38,978,225,582.19 and 12,532,430,644.96 is: 18,810,802,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968,691,081.66 : 38,978,225,582.19 = 12,532,430,644.96 : x
  2. Step 2: Convert to fraction form
    25,968,691,081.66/38,978,225,582.19 = 12,532,430,644.96/x
  3. Step 3: Cross multiply
    25,968,691,081.66x = 38,978,225,582.19 × 12,532,430,644.96
  4. Step 4: Simplify right side
    25,968,691,081.66x = 488,491,908,772,401,774,592
  5. Step 5: Solve for x
    x = 488,491,908,772,401,774,592/25,968,691,081.66
  6. Step 6: Final answer
    x = 18,810,802,101.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.