Home / 1,008,085,685.10-1,510,427,916.45-489,399,269.10

Finding the Fourth Proportional to 1,008,085,685.10, 1,510,427,916.45 and 489,399,269.10

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Solution

The fourth proportional to 1,008,085,685.10, 1,510,427,916.45 and 489,399,269.10 is: 733,273,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,085,685.10 : 1,510,427,916.45 = 489,399,269.10 : x
  2. Step 2: Convert to fraction form
    1,008,085,685.10/1,510,427,916.45 = 489,399,269.10/x
  3. Step 3: Cross multiply
    1,008,085,685.10x = 1,510,427,916.45 × 489,399,269.10
  4. Step 4: Simplify right side
    1,008,085,685.10x = 739,202,318,338,865,920
  5. Step 5: Solve for x
    x = 739,202,318,338,865,920/1,008,085,685.10
  6. Step 6: Final answer
    x = 733,273,301.33

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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.