Home / 1,131,777,400.40-1,694,264,878.20-671,478,635.60

Finding the Fourth Proportional to 1,131,777,400.40, 1,694,264,878.20 and 671,478,635.60

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Solution

The fourth proportional to 1,131,777,400.40, 1,694,264,878.20 and 671,478,635.60 is: 1,005,200,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,777,400.40 : 1,694,264,878.20 = 671,478,635.60 : x
  2. Step 2: Convert to fraction form
    1,131,777,400.40/1,694,264,878.20 = 671,478,635.60/x
  3. Step 3: Cross multiply
    1,131,777,400.40x = 1,694,264,878.20 × 671,478,635.60
  4. Step 4: Simplify right side
    1,131,777,400.40x = 1,137,662,668,758,736,256
  5. Step 5: Solve for x
    x = 1,137,662,668,758,736,256/1,131,777,400.40
  6. Step 6: Final answer
    x = 1,005,200,022.86

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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.