Home / 493,155,250.07-680,296,228.80-304,923,373.74

Finding the Fourth Proportional to 493,155,250.07, 680,296,228.80 and 304,923,373.74

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Solution

The fourth proportional to 493,155,250.07, 680,296,228.80 and 304,923,373.74 is: 420,634,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155,250.07 : 680,296,228.80 = 304,923,373.74 : x
  2. Step 2: Convert to fraction form
    493,155,250.07/680,296,228.80 = 304,923,373.74/x
  3. Step 3: Cross multiply
    493,155,250.07x = 680,296,228.80 × 304,923,373.74
  4. Step 4: Simplify right side
    493,155,250.07x = 207,438,221,228,294,944
  5. Step 5: Solve for x
    x = 207,438,221,228,294,944/493,155,250.07
  6. Step 6: Final answer
    x = 420,634,721.42

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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.