Home / 731,591,855.64-1,009,597,760.52-397,064,383.20

Finding the Fourth Proportional to 731,591,855.64, 1,009,597,760.52 and 397,064,383.20

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Solution

The fourth proportional to 731,591,855.64, 1,009,597,760.52 and 397,064,383.20 is: 547,949,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,591,855.64 : 1,009,597,760.52 = 397,064,383.20 : x
  2. Step 2: Convert to fraction form
    731,591,855.64/1,009,597,760.52 = 397,064,383.20/x
  3. Step 3: Cross multiply
    731,591,855.64x = 1,009,597,760.52 × 397,064,383.20
  4. Step 4: Simplify right side
    731,591,855.64x = 400,875,312,060,975,104
  5. Step 5: Solve for x
    x = 400,875,312,060,975,104/731,591,855.64
  6. Step 6: Final answer
    x = 547,949,391.41

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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.