Home / 1,008,085,668.10-1,510,427,890.95-489,399,252.10

Finding the Fourth Proportional to 1,008,085,668.10, 1,510,427,890.95 and 489,399,252.10

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Solution

The fourth proportional to 1,008,085,668.10, 1,510,427,890.95 and 489,399,252.10 is: 733,273,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,085,668.10 : 1,510,427,890.95 = 489,399,252.10 : x
  2. Step 2: Convert to fraction form
    1,008,085,668.10/1,510,427,890.95 = 489,399,252.10/x
  3. Step 3: Cross multiply
    1,008,085,668.10x = 1,510,427,890.95 × 489,399,252.10
  4. Step 4: Simplify right side
    1,008,085,668.10x = 739,202,280,181,910,400
  5. Step 5: Solve for x
    x = 739,202,280,181,910,400/1,008,085,668.10
  6. Step 6: Final answer
    x = 733,273,275.85

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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.