Home / 579,881,757.24-800,236,955.52-319,121,373.24

Finding the Fourth Proportional to 579,881,757.24, 800,236,955.52 and 319,121,373.24

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Solution

The fourth proportional to 579,881,757.24, 800,236,955.52 and 319,121,373.24 is: 440,387,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,881,757.24 : 800,236,955.52 = 319,121,373.24 : x
  2. Step 2: Convert to fraction form
    579,881,757.24/800,236,955.52 = 319,121,373.24/x
  3. Step 3: Cross multiply
    579,881,757.24x = 800,236,955.52 × 319,121,373.24
  4. Step 4: Simplify right side
    579,881,757.24x = 255,372,716,162,939,200
  5. Step 5: Solve for x
    x = 255,372,716,162,939,200/579,881,757.24
  6. Step 6: Final answer
    x = 440,387,566.90

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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.