Home / 7,112,502,882.75-10,664,618,881.28-2,691,263,849.51

Finding the Fourth Proportional to 7,112,502,882.75, 10,664,618,881.28 and 2,691,263,849.51

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Solution

The fourth proportional to 7,112,502,882.75, 10,664,618,881.28 and 2,691,263,849.51 is: 4,035,330,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,502,882.75 : 10,664,618,881.28 = 2,691,263,849.51 : x
  2. Step 2: Convert to fraction form
    7,112,502,882.75/10,664,618,881.28 = 2,691,263,849.51/x
  3. Step 3: Cross multiply
    7,112,502,882.75x = 10,664,618,881.28 × 2,691,263,849.51
  4. Step 4: Simplify right side
    7,112,502,882.75x = 28,701,303,263,990,644,736
  5. Step 5: Solve for x
    x = 28,701,303,263,990,644,736/7,112,502,882.75
  6. Step 6: Final answer
    x = 4,035,330,985.05

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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.