Home / 1,079,172,106.20-1,616,208,219.36-526,852,779.48

Finding the Fourth Proportional to 1,079,172,106.20, 1,616,208,219.36 and 526,852,779.48

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Solution

The fourth proportional to 1,079,172,106.20, 1,616,208,219.36 and 526,852,779.48 is: 789,034,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,172,106.20 : 1,616,208,219.36 = 526,852,779.48 : x
  2. Step 2: Convert to fraction form
    1,079,172,106.20/1,616,208,219.36 = 526,852,779.48/x
  3. Step 3: Cross multiply
    1,079,172,106.20x = 1,616,208,219.36 × 526,852,779.48
  4. Step 4: Simplify right side
    1,079,172,106.20x = 851,503,792,588,237,568
  5. Step 5: Solve for x
    x = 851,503,792,588,237,568/1,079,172,106.20
  6. Step 6: Final answer
    x = 789,034,286.28

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Double scale
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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.