Home / 1,008,085,657.60-1,510,427,875.20-489,399,241.60

Finding the Fourth Proportional to 1,008,085,657.60, 1,510,427,875.20 and 489,399,241.60

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Solution

The fourth proportional to 1,008,085,657.60, 1,510,427,875.20 and 489,399,241.60 is: 733,273,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,085,657.60 : 1,510,427,875.20 = 489,399,241.60 : x
  2. Step 2: Convert to fraction form
    1,008,085,657.60/1,510,427,875.20 = 489,399,241.60/x
  3. Step 3: Cross multiply
    1,008,085,657.60x = 1,510,427,875.20 × 489,399,241.60
  4. Step 4: Simplify right side
    1,008,085,657.60x = 739,202,256,614,379,520
  5. Step 5: Solve for x
    x = 739,202,256,614,379,520/1,008,085,657.60
  6. Step 6: Final answer
    x = 733,273,260.11

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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.