Home / 354,293,420.40-531,524,111.40-181,796,857.20

Finding the Fourth Proportional to 354,293,420.40, 531,524,111.40 and 181,796,857.20

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Solution

The fourth proportional to 354,293,420.40, 531,524,111.40 and 181,796,857.20 is: 272,738,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,293,420.40 : 531,524,111.40 = 181,796,857.20 : x
  2. Step 2: Convert to fraction form
    354,293,420.40/531,524,111.40 = 181,796,857.20/x
  3. Step 3: Cross multiply
    354,293,420.40x = 531,524,111.40 × 181,796,857.20
  4. Step 4: Simplify right side
    354,293,420.40x = 96,629,412,978,542,688
  5. Step 5: Solve for x
    x = 96,629,412,978,542,688/354,293,420.40
  6. Step 6: Final answer
    x = 272,738,378.46

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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.