Home / 946,535,690.88-1,305,541,817.16-664,341,100.68

Finding the Fourth Proportional to 946,535,690.88, 1,305,541,817.16 and 664,341,100.68

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Solution

The fourth proportional to 946,535,690.88, 1,305,541,817.16 and 664,341,100.68 is: 916,315,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,535,690.88 : 1,305,541,817.16 = 664,341,100.68 : x
  2. Step 2: Convert to fraction form
    946,535,690.88/1,305,541,817.16 = 664,341,100.68/x
  3. Step 3: Cross multiply
    946,535,690.88x = 1,305,541,817.16 × 664,341,100.68
  4. Step 4: Simplify right side
    946,535,690.88x = 867,325,087,795,841,664
  5. Step 5: Solve for x
    x = 867,325,087,795,841,664/946,535,690.88
  6. Step 6: Final answer
    x = 916,315,249.55

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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.