Home / 493,155,386.51-680,296,415.99-304,923,509.87

Finding the Fourth Proportional to 493,155,386.51, 680,296,415.99 and 304,923,509.87

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Solution

The fourth proportional to 493,155,386.51, 680,296,415.99 and 304,923,509.87 is: 420,634,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155,386.51 : 680,296,415.99 = 304,923,509.87 : x
  2. Step 2: Convert to fraction form
    493,155,386.51/680,296,415.99 = 304,923,509.87/x
  3. Step 3: Cross multiply
    493,155,386.51x = 680,296,415.99 × 304,923,509.87
  4. Step 4: Simplify right side
    493,155,386.51x = 207,438,370,910,726,304
  5. Step 5: Solve for x
    x = 207,438,370,910,726,304/493,155,386.51
  6. Step 6: Final answer
    x = 420,634,908.56

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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.