Home / 1,385,915,478.42-2,079,135,407.07-556,933,653.30

Finding the Fourth Proportional to 1,385,915,478.42, 2,079,135,407.07 and 556,933,653.30

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Solution

The fourth proportional to 1,385,915,478.42, 2,079,135,407.07 and 556,933,653.30 is: 835,505,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,915,478.42 : 2,079,135,407.07 = 556,933,653.30 : x
  2. Step 2: Convert to fraction form
    1,385,915,478.42/2,079,135,407.07 = 556,933,653.30/x
  3. Step 3: Cross multiply
    1,385,915,478.42x = 2,079,135,407.07 × 556,933,653.30
  4. Step 4: Simplify right side
    1,385,915,478.42x = 1,157,940,477,964,877,568
  5. Step 5: Solve for x
    x = 1,157,940,477,964,877,568/1,385,915,478.42
  6. Step 6: Final answer
    x = 835,505,841.44

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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.