Home / 874,128,396.36-1,206,300,322.56-477,651,377.70

Finding the Fourth Proportional to 874,128,396.36, 1,206,300,322.56 and 477,651,377.70

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Solution

The fourth proportional to 874,128,396.36, 1,206,300,322.56 and 477,651,377.70 is: 659,160,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,128,396.36 : 1,206,300,322.56 = 477,651,377.70 : x
  2. Step 2: Convert to fraction form
    874,128,396.36/1,206,300,322.56 = 477,651,377.70/x
  3. Step 3: Cross multiply
    874,128,396.36x = 1,206,300,322.56 × 477,651,377.70
  4. Step 4: Simplify right side
    874,128,396.36x = 576,191,010,990,738,368
  5. Step 5: Solve for x
    x = 576,191,010,990,738,368/874,128,396.36
  6. Step 6: Final answer
    x = 659,160,614.61

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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.