Home / 1,293,646,187.20-1,940,469,280.80-373,552,542.40

Finding the Fourth Proportional to 1,293,646,187.20, 1,940,469,280.80 and 373,552,542.40

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Solution

The fourth proportional to 1,293,646,187.20, 1,940,469,280.80 and 373,552,542.40 is: 560,328,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,646,187.20 : 1,940,469,280.80 = 373,552,542.40 : x
  2. Step 2: Convert to fraction form
    1,293,646,187.20/1,940,469,280.80 = 373,552,542.40/x
  3. Step 3: Cross multiply
    1,293,646,187.20x = 1,940,469,280.80 × 373,552,542.40
  4. Step 4: Simplify right side
    1,293,646,187.20x = 724,867,233,291,939,456
  5. Step 5: Solve for x
    x = 724,867,233,291,939,456/1,293,646,187.20
  6. Step 6: Final answer
    x = 560,328,813.60

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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.