Home / 642,079,797.55-886,074,655.58-348,724,365.55

Finding the Fourth Proportional to 642,079,797.55, 886,074,655.58 and 348,724,365.55

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Solution

The fourth proportional to 642,079,797.55, 886,074,655.58 and 348,724,365.55 is: 481,242,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,079,797.55 : 886,074,655.58 = 348,724,365.55 : x
  2. Step 2: Convert to fraction form
    642,079,797.55/886,074,655.58 = 348,724,365.55/x
  3. Step 3: Cross multiply
    642,079,797.55x = 886,074,655.58 × 348,724,365.55
  4. Step 4: Simplify right side
    642,079,797.55x = 308,995,822,094,419,200
  5. Step 5: Solve for x
    x = 308,995,822,094,419,200/642,079,797.55
  6. Step 6: Final answer
    x = 481,242,087.47

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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.