Home / 392,442,853.36-541,583,405.40-225,209,709.04

Finding the Fourth Proportional to 392,442,853.36, 541,583,405.40 and 225,209,709.04

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Solution

The fourth proportional to 392,442,853.36, 541,583,405.40 and 225,209,709.04 is: 310,796,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,442,853.36 : 541,583,405.40 = 225,209,709.04 : x
  2. Step 2: Convert to fraction form
    392,442,853.36/541,583,405.40 = 225,209,709.04/x
  3. Step 3: Cross multiply
    392,442,853.36x = 541,583,405.40 × 225,209,709.04
  4. Step 4: Simplify right side
    392,442,853.36x = 121,969,841,151,026,352
  5. Step 5: Solve for x
    x = 121,969,841,151,026,352/392,442,853.36
  6. Step 6: Final answer
    x = 310,796,438.53

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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.