Home / 517,569,030,930.42-776,436,969,568.92-159,420,837,945.78

Finding the Fourth Proportional to 517,569,030,930.42, 776,436,969,568.92 and 159,420,837,945.78

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Solution

The fourth proportional to 517,569,030,930.42, 776,436,969,568.92 and 159,420,837,945.78 is: 239,156,952,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,569,030,930.42 : 776,436,969,568.92 = 159,420,837,945.78 : x
  2. Step 2: Convert to fraction form
    517,569,030,930.42/776,436,969,568.92 = 159,420,837,945.78/x
  3. Step 3: Cross multiply
    517,569,030,930.42x = 776,436,969,568.92 × 159,420,837,945.78
  4. Step 4: Simplify right side
    517,569,030,930.42x = 123,780,232,300,759,321,935,872
  5. Step 5: Solve for x
    x = 123,780,232,300,759,321,935,872/517,569,030,930.42
  6. Step 6: Final answer
    x = 239,156,952,799.60

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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.