Home / 1,196,117,868.03-1,794,169,273.32-643,680,519.90

Finding the Fourth Proportional to 1,196,117,868.03, 1,794,169,273.32 and 643,680,519.90

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Solution

The fourth proportional to 1,196,117,868.03, 1,794,169,273.32 and 643,680,519.90 is: 965,516,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,117,868.03 : 1,794,169,273.32 = 643,680,519.90 : x
  2. Step 2: Convert to fraction form
    1,196,117,868.03/1,794,169,273.32 = 643,680,519.90/x
  3. Step 3: Cross multiply
    1,196,117,868.03x = 1,794,169,273.32 × 643,680,519.90
  4. Step 4: Simplify right side
    1,196,117,868.03x = 1,154,871,810,639,222,784
  5. Step 5: Solve for x
    x = 1,154,871,810,639,222,784/1,196,117,868.03
  6. Step 6: Final answer
    x = 965,516,728.33

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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.