Home / 7,669,671,009.93-11,494,336,062.15-3,938,811,700.86

Finding the Fourth Proportional to 7,669,671,009.93, 11,494,336,062.15 and 3,938,811,700.86

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Solution

The fourth proportional to 7,669,671,009.93, 11,494,336,062.15 and 3,938,811,700.86 is: 5,902,994,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669,671,009.93 : 11,494,336,062.15 = 3,938,811,700.86 : x
  2. Step 2: Convert to fraction form
    7,669,671,009.93/11,494,336,062.15 = 3,938,811,700.86/x
  3. Step 3: Cross multiply
    7,669,671,009.93x = 11,494,336,062.15 × 3,938,811,700.86
  4. Step 4: Simplify right side
    7,669,671,009.93x = 45,274,025,375,213,477,888
  5. Step 5: Solve for x
    x = 45,274,025,375,213,477,888/7,669,671,009.93
  6. Step 6: Final answer
    x = 5,902,994,446.12

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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.