Home / 448,253,999.20-671,751,142.80-356,295,023.20

Finding the Fourth Proportional to 448,253,999.20, 671,751,142.80 and 356,295,023.20

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Solution

The fourth proportional to 448,253,999.20, 671,751,142.80 and 356,295,023.20 is: 533,941,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,253,999.20 : 671,751,142.80 = 356,295,023.20 : x
  2. Step 2: Convert to fraction form
    448,253,999.20/671,751,142.80 = 356,295,023.20/x
  3. Step 3: Cross multiply
    448,253,999.20x = 671,751,142.80 × 356,295,023.20
  4. Step 4: Simplify right side
    448,253,999.20x = 239,341,589,008,552,480
  5. Step 5: Solve for x
    x = 239,341,589,008,552,480/448,253,999.20
  6. Step 6: Final answer
    x = 533,941,893.29

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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.