Home / 265,758,455.02-398,841,150.10-120,294,170.46

Finding the Fourth Proportional to 265,758,455.02, 398,841,150.10 and 120,294,170.46

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Solution

The fourth proportional to 265,758,455.02, 398,841,150.10 and 120,294,170.46 is: 180,533,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,758,455.02 : 398,841,150.10 = 120,294,170.46 : x
  2. Step 2: Convert to fraction form
    265,758,455.02/398,841,150.10 = 120,294,170.46/x
  3. Step 3: Cross multiply
    265,758,455.02x = 398,841,150.10 × 120,294,170.46
  4. Step 4: Simplify right side
    265,758,455.02x = 47,978,265,296,591,848
  5. Step 5: Solve for x
    x = 47,978,265,296,591,848/265,758,455.02
  6. Step 6: Final answer
    x = 180,533,354.22

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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.