Home / 787,251,584.40-1,180,420,516.48-372,724,925.60

Finding the Fourth Proportional to 787,251,584.40, 1,180,420,516.48 and 372,724,925.60

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Solution

The fourth proportional to 787,251,584.40, 1,180,420,516.48 and 372,724,925.60 is: 558,871,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,251,584.40 : 1,180,420,516.48 = 372,724,925.60 : x
  2. Step 2: Convert to fraction form
    787,251,584.40/1,180,420,516.48 = 372,724,925.60/x
  3. Step 3: Cross multiply
    787,251,584.40x = 1,180,420,516.48 × 372,724,925.60
  4. Step 4: Simplify right side
    787,251,584.40x = 439,972,149,181,721,600
  5. Step 5: Solve for x
    x = 439,972,149,181,721,600/787,251,584.40
  6. Step 6: Final answer
    x = 558,871,087.59

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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.