Home / 775,989,137.26-1,070,705,151.88-445,900,503.34

Finding the Fourth Proportional to 775,989,137.26, 1,070,705,151.88 and 445,900,503.34

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Solution

The fourth proportional to 775,989,137.26, 1,070,705,151.88 and 445,900,503.34 is: 615,250,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,989,137.26 : 1,070,705,151.88 = 445,900,503.34 : x
  2. Step 2: Convert to fraction form
    775,989,137.26/1,070,705,151.88 = 445,900,503.34/x
  3. Step 3: Cross multiply
    775,989,137.26x = 1,070,705,151.88 × 445,900,503.34
  4. Step 4: Simplify right side
    775,989,137.26x = 477,427,966,152,023,104
  5. Step 5: Solve for x
    x = 477,427,966,152,023,104/775,989,137.26
  6. Step 6: Final answer
    x = 615,250,836.94

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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.