Home / 719,073,777,297.60-992,313,907,319.63-389,468,616,082.05

Finding the Fourth Proportional to 719,073,777,297.60, 992,313,907,319.63 and 389,468,616,082.05

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Solution

The fourth proportional to 719,073,777,297.60, 992,313,907,319.63 and 389,468,616,082.05 is: 537,462,408,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,073,777,297.60 : 992,313,907,319.63 = 389,468,616,082.05 : x
  2. Step 2: Convert to fraction form
    719,073,777,297.60/992,313,907,319.63 = 389,468,616,082.05/x
  3. Step 3: Cross multiply
    719,073,777,297.60x = 992,313,907,319.63 × 389,468,616,082.05
  4. Step 4: Simplify right side
    719,073,777,297.60x = 386,475,124,202,747,891,548,160
  5. Step 5: Solve for x
    x = 386,475,124,202,747,891,548,160/719,073,777,297.60
  6. Step 6: Final answer
    x = 537,462,408,454.37

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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.