Home / 840,817,747.38-1,160,338,229.82-464,466,538.56

Finding the Fourth Proportional to 840,817,747.38, 1,160,338,229.82 and 464,466,538.56

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Solution

The fourth proportional to 840,817,747.38, 1,160,338,229.82 and 464,466,538.56 is: 640,969,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,817,747.38 : 1,160,338,229.82 = 464,466,538.56 : x
  2. Step 2: Convert to fraction form
    840,817,747.38/1,160,338,229.82 = 464,466,538.56/x
  3. Step 3: Cross multiply
    840,817,747.38x = 1,160,338,229.82 × 464,466,538.56
  4. Step 4: Simplify right side
    840,817,747.38x = 538,938,281,163,333,120
  5. Step 5: Solve for x
    x = 538,938,281,163,333,120/840,817,747.38
  6. Step 6: Final answer
    x = 640,969,202.71

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1.5x scale

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.