Home / 719,073,777,296.10-992,313,907,317.55-389,468,616,080.55

Finding the Fourth Proportional to 719,073,777,296.10, 992,313,907,317.55 and 389,468,616,080.55

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Solution

The fourth proportional to 719,073,777,296.10, 992,313,907,317.55 and 389,468,616,080.55 is: 537,462,408,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,073,777,296.10 : 992,313,907,317.55 = 389,468,616,080.55 : x
  2. Step 2: Convert to fraction form
    719,073,777,296.10/992,313,907,317.55 = 389,468,616,080.55/x
  3. Step 3: Cross multiply
    719,073,777,296.10x = 992,313,907,317.55 × 389,468,616,080.55
  4. Step 4: Simplify right side
    719,073,777,296.10x = 386,475,124,200,449,345,847,296
  5. Step 5: Solve for x
    x = 386,475,124,200,449,345,847,296/719,073,777,296.10
  6. Step 6: Final answer
    x = 537,462,408,452.29

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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.