Home / 7,112,502,885.90-10,664,618,885.94-2,691,263,852.64

Finding the Fourth Proportional to 7,112,502,885.90, 10,664,618,885.94 and 2,691,263,852.64

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Solution

The fourth proportional to 7,112,502,885.90, 10,664,618,885.94 and 2,691,263,852.64 is: 4,035,330,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,502,885.90 : 10,664,618,885.94 = 2,691,263,852.64 : x
  2. Step 2: Convert to fraction form
    7,112,502,885.90/10,664,618,885.94 = 2,691,263,852.64/x
  3. Step 3: Cross multiply
    7,112,502,885.90x = 10,664,618,885.94 × 2,691,263,852.64
  4. Step 4: Simplify right side
    7,112,502,885.90x = 28,701,303,309,912,190,976
  5. Step 5: Solve for x
    x = 28,701,303,309,912,190,976/7,112,502,885.90
  6. Step 6: Final answer
    x = 4,035,330,989.72

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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.