Home / 2,762,229,103.20-3,811,831,559.28-1,509,138,989.28

Finding the Fourth Proportional to 2,762,229,103.20, 3,811,831,559.28 and 1,509,138,989.28

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Solution

The fourth proportional to 2,762,229,103.20, 3,811,831,559.28 and 1,509,138,989.28 is: 2,082,587,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762,229,103.20 : 3,811,831,559.28 = 1,509,138,989.28 : x
  2. Step 2: Convert to fraction form
    2,762,229,103.20/3,811,831,559.28 = 1,509,138,989.28/x
  3. Step 3: Cross multiply
    2,762,229,103.20x = 3,811,831,559.28 × 1,509,138,989.28
  4. Step 4: Simplify right side
    2,762,229,103.20x = 5,752,583,626,677,426,176
  5. Step 5: Solve for x
    x = 5,752,583,626,677,426,176/2,762,229,103.20
  6. Step 6: Final answer
    x = 2,082,587,436.36

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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.