Home / 1,297,266,601.32-1,790,205,783.42-702,546,253.20

Finding the Fourth Proportional to 1,297,266,601.32, 1,790,205,783.42 and 702,546,253.20

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Solution

The fourth proportional to 1,297,266,601.32, 1,790,205,783.42 and 702,546,253.20 is: 969,501,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,266,601.32 : 1,790,205,783.42 = 702,546,253.20 : x
  2. Step 2: Convert to fraction form
    1,297,266,601.32/1,790,205,783.42 = 702,546,253.20/x
  3. Step 3: Cross multiply
    1,297,266,601.32x = 1,790,205,783.42 × 702,546,253.20
  4. Step 4: Simplify right side
    1,297,266,601.32x = 1,257,702,365,598,691,840
  5. Step 5: Solve for x
    x = 1,257,702,365,598,691,840/1,297,266,601.32
  6. Step 6: Final answer
    x = 969,501,846.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.