Home / 1,149,552,015.70-1,724,328,023.55-919,969,503.70

Finding the Fourth Proportional to 1,149,552,015.70, 1,724,328,023.55 and 919,969,503.70

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Solution

The fourth proportional to 1,149,552,015.70, 1,724,328,023.55 and 919,969,503.70 is: 1,379,954,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,552,015.70 : 1,724,328,023.55 = 919,969,503.70 : x
  2. Step 2: Convert to fraction form
    1,149,552,015.70/1,724,328,023.55 = 919,969,503.70/x
  3. Step 3: Cross multiply
    1,149,552,015.70x = 1,724,328,023.55 × 919,969,503.70
  4. Step 4: Simplify right side
    1,149,552,015.70x = 1,586,329,196,041,295,360
  5. Step 5: Solve for x
    x = 1,586,329,196,041,295,360/1,149,552,015.70
  6. Step 6: Final answer
    x = 1,379,954,255.55

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Half scale
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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.