Home / 818,352,003.85-1,227,528,005.78-560,071,677.85

Finding the Fourth Proportional to 818,352,003.85, 1,227,528,005.78 and 560,071,677.85

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Solution

The fourth proportional to 818,352,003.85, 1,227,528,005.78 and 560,071,677.85 is: 840,107,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,352,003.85 : 1,227,528,005.78 = 560,071,677.85 : x
  2. Step 2: Convert to fraction form
    818,352,003.85/1,227,528,005.78 = 560,071,677.85/x
  3. Step 3: Cross multiply
    818,352,003.85x = 1,227,528,005.78 × 560,071,677.85
  4. Step 4: Simplify right side
    818,352,003.85x = 687,503,669,802,268,800
  5. Step 5: Solve for x
    x = 687,503,669,802,268,800/818,352,003.85
  6. Step 6: Final answer
    x = 840,107,516.78

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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.