Home / 1,008,085,662.10-1,510,427,881.95-489,399,246.10

Finding the Fourth Proportional to 1,008,085,662.10, 1,510,427,881.95 and 489,399,246.10

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Solution

The fourth proportional to 1,008,085,662.10, 1,510,427,881.95 and 489,399,246.10 is: 733,273,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,085,662.10 : 1,510,427,881.95 = 489,399,246.10 : x
  2. Step 2: Convert to fraction form
    1,008,085,662.10/1,510,427,881.95 = 489,399,246.10/x
  3. Step 3: Cross multiply
    1,008,085,662.10x = 1,510,427,881.95 × 489,399,246.10
  4. Step 4: Simplify right side
    1,008,085,662.10x = 739,202,266,714,749,824
  5. Step 5: Solve for x
    x = 739,202,266,714,749,824/1,008,085,662.10
  6. Step 6: Final answer
    x = 733,273,266.85

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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.