Home / 553,941,725.60-764,372,982.48-319,068,773.12

Finding the Fourth Proportional to 553,941,725.60, 764,372,982.48 and 319,068,773.12

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Solution

The fourth proportional to 553,941,725.60, 764,372,982.48 and 319,068,773.12 is: 440,276,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,941,725.60 : 764,372,982.48 = 319,068,773.12 : x
  2. Step 2: Convert to fraction form
    553,941,725.60/764,372,982.48 = 319,068,773.12/x
  3. Step 3: Cross multiply
    553,941,725.60x = 764,372,982.48 × 319,068,773.12
  4. Step 4: Simplify right side
    553,941,725.60x = 243,887,549,725,968,864
  5. Step 5: Solve for x
    x = 243,887,549,725,968,864/553,941,725.60
  6. Step 6: Final answer
    x = 440,276,546.17

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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.