Home / 1,195,338,863.25-1,789,330,815.90-779,921,187.57

Finding the Fourth Proportional to 1,195,338,863.25, 1,789,330,815.90 and 779,921,187.57

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Solution

The fourth proportional to 1,195,338,863.25, 1,789,330,815.90 and 779,921,187.57 is: 1,167,482,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,338,863.25 : 1,789,330,815.90 = 779,921,187.57 : x
  2. Step 2: Convert to fraction form
    1,195,338,863.25/1,789,330,815.90 = 779,921,187.57/x
  3. Step 3: Cross multiply
    1,195,338,863.25x = 1,789,330,815.90 × 779,921,187.57
  4. Step 4: Simplify right side
    1,195,338,863.25x = 1,395,537,014,892,325,120
  5. Step 5: Solve for x
    x = 1,395,537,014,892,325,120/1,195,338,863.25
  6. Step 6: Final answer
    x = 1,167,482,341.45

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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.