Home / 859,505,320.80-1,289,257,981.20-246,089,546.55

Finding the Fourth Proportional to 859,505,320.80, 1,289,257,981.20 and 246,089,546.55

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Solution

The fourth proportional to 859,505,320.80, 1,289,257,981.20 and 246,089,546.55 is: 369,134,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,505,320.80 : 1,289,257,981.20 = 246,089,546.55 : x
  2. Step 2: Convert to fraction form
    859,505,320.80/1,289,257,981.20 = 246,089,546.55/x
  3. Step 3: Cross multiply
    859,505,320.80x = 1,289,257,981.20 × 246,089,546.55
  4. Step 4: Simplify right side
    859,505,320.80x = 317,272,911,979,476,480
  5. Step 5: Solve for x
    x = 317,272,911,979,476,480/859,505,320.80
  6. Step 6: Final answer
    x = 369,134,319.83

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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.