Home / 1,012,467,273.45-1,397,194,543.43-560,346,122.97

Finding the Fourth Proportional to 1,012,467,273.45, 1,397,194,543.43 and 560,346,122.97

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Solution

The fourth proportional to 1,012,467,273.45, 1,397,194,543.43 and 560,346,122.97 is: 773,271,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,467,273.45 : 1,397,194,543.43 = 560,346,122.97 : x
  2. Step 2: Convert to fraction form
    1,012,467,273.45/1,397,194,543.43 = 560,346,122.97/x
  3. Step 3: Cross multiply
    1,012,467,273.45x = 1,397,194,543.43 × 560,346,122.97
  4. Step 4: Simplify right side
    1,012,467,273.45x = 782,912,545,445,839,872
  5. Step 5: Solve for x
    x = 782,912,545,445,839,872/1,012,467,273.45
  6. Step 6: Final answer
    x = 773,271,952.56

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Double scale
Find fourth proportional to 1,012,467,274.45, 1,397,194,544.81 and 560,346,123.97
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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.