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Finding the Fourth Proportional to 881,453,493.60, 1,320,587,715.60 and 754,051,509.60

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Solution

The fourth proportional to 881,453,493.60, 1,320,587,715.60 and 754,051,509.60 is: 1,129,714,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,453,493.60 : 1,320,587,715.60 = 754,051,509.60 : x
  2. Step 2: Convert to fraction form
    881,453,493.60/1,320,587,715.60 = 754,051,509.60/x
  3. Step 3: Cross multiply
    881,453,493.60x = 1,320,587,715.60 × 754,051,509.60
  4. Step 4: Simplify right side
    881,453,493.60x = 995,791,160,507,395,456
  5. Step 5: Solve for x
    x = 995,791,160,507,395,456/881,453,493.60
  6. Step 6: Final answer
    x = 1,129,714,917.17

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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.