Home / 732,672,997.20-1,099,009,495.80-727,571,163.60

Finding the Fourth Proportional to 732,672,997.20, 1,099,009,495.80 and 727,571,163.60

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Solution

The fourth proportional to 732,672,997.20, 1,099,009,495.80 and 727,571,163.60 is: 1,091,356,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,672,997.20 : 1,099,009,495.80 = 727,571,163.60 : x
  2. Step 2: Convert to fraction form
    732,672,997.20/1,099,009,495.80 = 727,571,163.60/x
  3. Step 3: Cross multiply
    732,672,997.20x = 1,099,009,495.80 × 727,571,163.60
  4. Step 4: Simplify right side
    732,672,997.20x = 799,607,617,666,655,360
  5. Step 5: Solve for x
    x = 799,607,617,666,655,360/732,672,997.20
  6. Step 6: Final answer
    x = 1,091,356,745.40

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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.