Home / 571,321,416.96-787,693,654.08-370,022,618.88

Finding the Fourth Proportional to 571,321,416.96, 787,693,654.08 and 370,022,618.88

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Solution

The fourth proportional to 571,321,416.96, 787,693,654.08 and 370,022,618.88 is: 510,158,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,321,416.96 : 787,693,654.08 = 370,022,618.88 : x
  2. Step 2: Convert to fraction form
    571,321,416.96/787,693,654.08 = 370,022,618.88/x
  3. Step 3: Cross multiply
    571,321,416.96x = 787,693,654.08 × 370,022,618.88
  4. Step 4: Simplify right side
    571,321,416.96x = 291,464,468,757,838,400
  5. Step 5: Solve for x
    x = 291,464,468,757,838,400/571,321,416.96
  6. Step 6: Final answer
    x = 510,158,485.41

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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.