Home / 1,328,611,850.40-1,992,917,775.60-984,238,082.40

Finding the Fourth Proportional to 1,328,611,850.40, 1,992,917,775.60 and 984,238,082.40

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Solution

The fourth proportional to 1,328,611,850.40, 1,992,917,775.60 and 984,238,082.40 is: 1,476,357,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,611,850.40 : 1,992,917,775.60 = 984,238,082.40 : x
  2. Step 2: Convert to fraction form
    1,328,611,850.40/1,992,917,775.60 = 984,238,082.40/x
  3. Step 3: Cross multiply
    1,328,611,850.40x = 1,992,917,775.60 × 984,238,082.40
  4. Step 4: Simplify right side
    1,328,611,850.40x = 1,961,505,569,837,417,472
  5. Step 5: Solve for x
    x = 1,961,505,569,837,417,472/1,328,611,850.40
  6. Step 6: Final answer
    x = 1,476,357,123.60

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Half scale
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Double scale
Find fourth proportional to 1,328,611,851.40, 1,992,917,777.10 and 984,238,083.40
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.