Home / 659,527,287.76-989,322,747.12-216,860,166.82

Finding the Fourth Proportional to 659,527,287.76, 989,322,747.12 and 216,860,166.82

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Solution

The fourth proportional to 659,527,287.76, 989,322,747.12 and 216,860,166.82 is: 325,300,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,527,287.76 : 989,322,747.12 = 216,860,166.82 : x
  2. Step 2: Convert to fraction form
    659,527,287.76/989,322,747.12 = 216,860,166.82/x
  3. Step 3: Cross multiply
    659,527,287.76x = 989,322,747.12 × 216,860,166.82
  4. Step 4: Simplify right side
    659,527,287.76x = 214,544,695,979,263,872
  5. Step 5: Solve for x
    x = 214,544,695,979,263,872/659,527,287.76
  6. Step 6: Final answer
    x = 325,300,711.53

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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.