Home / 1,043,280,055.40-1,564,920,083.10-783,086,541.80

Finding the Fourth Proportional to 1,043,280,055.40, 1,564,920,083.10 and 783,086,541.80

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Solution

The fourth proportional to 1,043,280,055.40, 1,564,920,083.10 and 783,086,541.80 is: 1,174,629,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,280,055.40 : 1,564,920,083.10 = 783,086,541.80 : x
  2. Step 2: Convert to fraction form
    1,043,280,055.40/1,564,920,083.10 = 783,086,541.80/x
  3. Step 3: Cross multiply
    1,043,280,055.40x = 1,564,920,083.10 × 783,086,541.80
  4. Step 4: Simplify right side
    1,043,280,055.40x = 1,225,467,856,068,147,456
  5. Step 5: Solve for x
    x = 1,225,467,856,068,147,456/1,043,280,055.40
  6. Step 6: Final answer
    x = 1,174,629,812.70

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Double scale
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Similar ratio
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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.