Home / 415,398,573.28-622,043,151.54-249,297,523.48

Finding the Fourth Proportional to 415,398,573.28, 622,043,151.54 and 249,297,523.48

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Solution

The fourth proportional to 415,398,573.28, 622,043,151.54 and 249,297,523.48 is: 373,313,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,398,573.28 : 622,043,151.54 = 249,297,523.48 : x
  2. Step 2: Convert to fraction form
    415,398,573.28/622,043,151.54 = 249,297,523.48/x
  3. Step 3: Cross multiply
    415,398,573.28x = 622,043,151.54 × 249,297,523.48
  4. Step 4: Simplify right side
    415,398,573.28x = 155,073,817,176,616,320
  5. Step 5: Solve for x
    x = 155,073,817,176,616,320/415,398,573.28
  6. Step 6: Final answer
    x = 373,313,311.96

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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.