Home / 928,686,791.38-1,392,984,276-346,375,668.10

Finding the Fourth Proportional to 928,686,791.38, 1,392,984,276 and 346,375,668.10

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Solution

The fourth proportional to 928,686,791.38, 1,392,984,276 and 346,375,668.10 is: 519,546,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,686,791.38 : 1,392,984,276 = 346,375,668.10 : x
  2. Step 2: Convert to fraction form
    928,686,791.38/1,392,984,276 = 346,375,668.10/x
  3. Step 3: Cross multiply
    928,686,791.38x = 1,392,984,276 × 346,375,668.10
  4. Step 4: Simplify right side
    928,686,791.38x = 482,495,859,252,294,848
  5. Step 5: Solve for x
    x = 482,495,859,252,294,848/928,686,791.38
  6. Step 6: Final answer
    x = 519,546,378.53

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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.