Home / 768,829,059.60-1,153,369,249.56-251,109,200.40

Finding the Fourth Proportional to 768,829,059.60, 1,153,369,249.56 and 251,109,200.40

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Solution

The fourth proportional to 768,829,059.60, 1,153,369,249.56 and 251,109,200.40 is: 376,704,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,829,059.60 : 1,153,369,249.56 = 251,109,200.40 : x
  2. Step 2: Convert to fraction form
    768,829,059.60/1,153,369,249.56 = 251,109,200.40/x
  3. Step 3: Cross multiply
    768,829,059.60x = 1,153,369,249.56 × 251,109,200.40
  4. Step 4: Simplify right side
    768,829,059.60x = 289,621,630,022,959,616
  5. Step 5: Solve for x
    x = 289,621,630,022,959,616/768,829,059.60
  6. Step 6: Final answer
    x = 376,704,842.78

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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.