Home / 768,394,533.60-1,060,384,798.68-415,970,512.92

Finding the Fourth Proportional to 768,394,533.60, 1,060,384,798.68 and 415,970,512.92

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Solution

The fourth proportional to 768,394,533.60, 1,060,384,798.68 and 415,970,512.92 is: 574,039,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,394,533.60 : 1,060,384,798.68 = 415,970,512.92 : x
  2. Step 2: Convert to fraction form
    768,394,533.60/1,060,384,798.68 = 415,970,512.92/x
  3. Step 3: Cross multiply
    768,394,533.60x = 1,060,384,798.68 × 415,970,512.92
  4. Step 4: Simplify right side
    768,394,533.60x = 441,088,808,599,490,560
  5. Step 5: Solve for x
    x = 441,088,808,599,490,560/768,394,533.60
  6. Step 6: Final answer
    x = 574,039,493.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.