Home / 1,198,149,016.05-1,653,413,925.06-669,517,346.03

Finding the Fourth Proportional to 1,198,149,016.05, 1,653,413,925.06 and 669,517,346.03

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Solution

The fourth proportional to 1,198,149,016.05, 1,653,413,925.06 and 669,517,346.03 is: 923,916,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,149,016.05 : 1,653,413,925.06 = 669,517,346.03 : x
  2. Step 2: Convert to fraction form
    1,198,149,016.05/1,653,413,925.06 = 669,517,346.03/x
  3. Step 3: Cross multiply
    1,198,149,016.05x = 1,653,413,925.06 × 669,517,346.03
  4. Step 4: Simplify right side
    1,198,149,016.05x = 1,106,989,302,986,949,376
  5. Step 5: Solve for x
    x = 1,106,989,302,986,949,376/1,198,149,016.05
  6. Step 6: Final answer
    x = 923,916,214.23

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Double scale
Find fourth proportional to 1,198,149,017.05, 1,653,413,926.44 and 669,517,347.03
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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.