Home / 796,198,539.60-1,194,297,809.40-660,149,643.60

Finding the Fourth Proportional to 796,198,539.60, 1,194,297,809.40 and 660,149,643.60

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Solution

The fourth proportional to 796,198,539.60, 1,194,297,809.40 and 660,149,643.60 is: 990,224,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,198,539.60 : 1,194,297,809.40 = 660,149,643.60 : x
  2. Step 2: Convert to fraction form
    796,198,539.60/1,194,297,809.40 = 660,149,643.60/x
  3. Step 3: Cross multiply
    796,198,539.60x = 1,194,297,809.40 × 660,149,643.60
  4. Step 4: Simplify right side
    796,198,539.60x = 788,415,273,227,670,784
  5. Step 5: Solve for x
    x = 788,415,273,227,670,784/796,198,539.60
  6. Step 6: Final answer
    x = 990,224,465.40

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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.