Home / 258,971,864.40-388,457,796.60-247,027,928.40

Finding the Fourth Proportional to 258,971,864.40, 388,457,796.60 and 247,027,928.40

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Solution

The fourth proportional to 258,971,864.40, 388,457,796.60 and 247,027,928.40 is: 370,541,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,971,864.40 : 388,457,796.60 = 247,027,928.40 : x
  2. Step 2: Convert to fraction form
    258,971,864.40/388,457,796.60 = 247,027,928.40/x
  3. Step 3: Cross multiply
    258,971,864.40x = 388,457,796.60 × 247,027,928.40
  4. Step 4: Simplify right side
    258,971,864.40x = 95,959,924,764,926,576
  5. Step 5: Solve for x
    x = 95,959,924,764,926,576/258,971,864.40
  6. Step 6: Final answer
    x = 370,541,892.60

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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.