Home / 1,043,280,092.40-1,564,920,138.60-783,086,578.80

Finding the Fourth Proportional to 1,043,280,092.40, 1,564,920,138.60 and 783,086,578.80

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Solution

The fourth proportional to 1,043,280,092.40, 1,564,920,138.60 and 783,086,578.80 is: 1,174,629,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,280,092.40 : 1,564,920,138.60 = 783,086,578.80 : x
  2. Step 2: Convert to fraction form
    1,043,280,092.40/1,564,920,138.60 = 783,086,578.80/x
  3. Step 3: Cross multiply
    1,043,280,092.40x = 1,564,920,138.60 × 783,086,578.80
  4. Step 4: Simplify right side
    1,043,280,092.40x = 1,225,467,957,431,495,680
  5. Step 5: Solve for x
    x = 1,225,467,957,431,495,680/1,043,280,092.40
  6. Step 6: Final answer
    x = 1,174,629,868.20

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Double scale
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1.5x scale

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.