Home / 576,068,411.90-864,104,859.68-139,368,395.37

Finding the Fourth Proportional to 576,068,411.90, 864,104,859.68 and 139,368,395.37

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Solution

The fourth proportional to 576,068,411.90, 864,104,859.68 and 139,368,395.37 is: 209,053,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,068,411.90 : 864,104,859.68 = 139,368,395.37 : x
  2. Step 2: Convert to fraction form
    576,068,411.90/864,104,859.68 = 139,368,395.37/x
  3. Step 3: Cross multiply
    576,068,411.90x = 864,104,859.68 × 139,368,395.37
  4. Step 4: Simplify right side
    576,068,411.90x = 120,428,907,728,347,408
  5. Step 5: Solve for x
    x = 120,428,907,728,347,408/576,068,411.90
  6. Step 6: Final answer
    x = 209,053,135.43

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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.