Home / 7,421,818,873.26-11,108,503,581.57-5,456,151,204.78

Finding the Fourth Proportional to 7,421,818,873.26, 11,108,503,581.57 and 5,456,151,204.78

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Solution

The fourth proportional to 7,421,818,873.26, 11,108,503,581.57 and 5,456,151,204.78 is: 8,166,417,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,818,873.26 : 11,108,503,581.57 = 5,456,151,204.78 : x
  2. Step 2: Convert to fraction form
    7,421,818,873.26/11,108,503,581.57 = 5,456,151,204.78/x
  3. Step 3: Cross multiply
    7,421,818,873.26x = 11,108,503,581.57 × 5,456,151,204.78
  4. Step 4: Simplify right side
    7,421,818,873.26x = 60,609,675,199,886,098,432
  5. Step 5: Solve for x
    x = 60,609,675,199,886,098,432/7,421,818,873.26
  6. Step 6: Final answer
    x = 8,166,417,994.69

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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.