Home / 830,734,710.32-1,246,104,176.20-339,447,981

Finding the Fourth Proportional to 830,734,710.32, 1,246,104,176.20 and 339,447,981

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Solution

The fourth proportional to 830,734,710.32, 1,246,104,176.20 and 339,447,981 is: 509,172,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,734,710.32 : 1,246,104,176.20 = 339,447,981 : x
  2. Step 2: Convert to fraction form
    830,734,710.32/1,246,104,176.20 = 339,447,981/x
  3. Step 3: Cross multiply
    830,734,710.32x = 1,246,104,176.20 × 339,447,981
  4. Step 4: Simplify right side
    830,734,710.32x = 422,987,546,726,758,272
  5. Step 5: Solve for x
    x = 422,987,546,726,758,272/830,734,710.32
  6. Step 6: Final answer
    x = 509,172,833.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.