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Finding the Fourth Proportional to 955,887,380.40, 1,433,831,070.60 and 955,887,380.40

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Solution

The fourth proportional to 955,887,380.40, 1,433,831,070.60 and 955,887,380.40 is: 1,433,831,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,887,380.40 : 1,433,831,070.60 = 955,887,380.40 : x
  2. Step 2: Convert to fraction form
    955,887,380.40/1,433,831,070.60 = 955,887,380.40/x
  3. Step 3: Cross multiply
    955,887,380.40x = 1,433,831,070.60 × 955,887,380.40
  4. Step 4: Simplify right side
    955,887,380.40x = 1,370,581,026,011,961,344
  5. Step 5: Solve for x
    x = 1,370,581,026,011,961,344/955,887,380.40
  6. Step 6: Final answer
    x = 1,433,831,070.60

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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.