Home / 523,608,827.56-722,585,750.36-288,667,895.61

Finding the Fourth Proportional to 523,608,827.56, 722,585,750.36 and 288,667,895.61

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Solution

The fourth proportional to 523,608,827.56, 722,585,750.36 and 288,667,895.61 is: 398,364,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,608,827.56 : 722,585,750.36 = 288,667,895.61 : x
  2. Step 2: Convert to fraction form
    523,608,827.56/722,585,750.36 = 288,667,895.61/x
  3. Step 3: Cross multiply
    523,608,827.56x = 722,585,750.36 × 288,667,895.61
  4. Step 4: Simplify right side
    523,608,827.56x = 208,587,307,950,168,576
  5. Step 5: Solve for x
    x = 208,587,307,950,168,576/523,608,827.56
  6. Step 6: Final answer
    x = 398,364,765.78

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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.