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Finding the Fourth Proportional to 893,887,864.90, 1,340,831,797.36 and 893,887,864.90

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Solution

The fourth proportional to 893,887,864.90, 1,340,831,797.36 and 893,887,864.90 is: 1,340,831,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,887,864.90 : 1,340,831,797.36 = 893,887,864.90 : x
  2. Step 2: Convert to fraction form
    893,887,864.90/1,340,831,797.36 = 893,887,864.90/x
  3. Step 3: Cross multiply
    893,887,864.90x = 1,340,831,797.36 × 893,887,864.90
  4. Step 4: Simplify right side
    893,887,864.90x = 1,198,553,272,532,159,744
  5. Step 5: Solve for x
    x = 1,198,553,272,532,159,744/893,887,864.90
  6. Step 6: Final answer
    x = 1,340,831,797.36

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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.