Home / 577,331,928.98-797,375,682.78-391,370,094.26

Finding the Fourth Proportional to 577,331,928.98, 797,375,682.78 and 391,370,094.26

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Solution

The fourth proportional to 577,331,928.98, 797,375,682.78 and 391,370,094.26 is: 540,536,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,331,928.98 : 797,375,682.78 = 391,370,094.26 : x
  2. Step 2: Convert to fraction form
    577,331,928.98/797,375,682.78 = 391,370,094.26/x
  3. Step 3: Cross multiply
    577,331,928.98x = 797,375,682.78 × 391,370,094.26
  4. Step 4: Simplify right side
    577,331,928.98x = 312,068,996,129,979,520
  5. Step 5: Solve for x
    x = 312,068,996,129,979,520/577,331,928.98
  6. Step 6: Final answer
    x = 540,536,527.54

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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.