Home / 328,569,388.80-453,283,424.64-198,116,724.48

Finding the Fourth Proportional to 328,569,388.80, 453,283,424.64 and 198,116,724.48

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Solution

The fourth proportional to 328,569,388.80, 453,283,424.64 and 198,116,724.48 is: 273,315,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,569,388.80 : 453,283,424.64 = 198,116,724.48 : x
  2. Step 2: Convert to fraction form
    328,569,388.80/453,283,424.64 = 198,116,724.48/x
  3. Step 3: Cross multiply
    328,569,388.80x = 453,283,424.64 × 198,116,724.48
  4. Step 4: Simplify right side
    328,569,388.80x = 89,803,027,350,753,712
  5. Step 5: Solve for x
    x = 89,803,027,350,753,712/328,569,388.80
  6. Step 6: Final answer
    x = 273,315,258.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.