Home / 658,964,182.43-909,384,464.42-361,603,823.55

Finding the Fourth Proportional to 658,964,182.43, 909,384,464.42 and 361,603,823.55

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Solution

The fourth proportional to 658,964,182.43, 909,384,464.42 and 361,603,823.55 is: 499,020,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,964,182.43 : 909,384,464.42 = 361,603,823.55 : x
  2. Step 2: Convert to fraction form
    658,964,182.43/909,384,464.42 = 361,603,823.55/x
  3. Step 3: Cross multiply
    658,964,182.43x = 909,384,464.42 × 361,603,823.55
  4. Step 4: Simplify right side
    658,964,182.43x = 328,836,899,409,432,896
  5. Step 5: Solve for x
    x = 328,836,899,409,432,896/658,964,182.43
  6. Step 6: Final answer
    x = 499,020,900.04

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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.