Home / 852,995,198.40-1,279,964,927.12-416,299,499.88

Finding the Fourth Proportional to 852,995,198.40, 1,279,964,927.12 and 416,299,499.88

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Solution

The fourth proportional to 852,995,198.40, 1,279,964,927.12 and 416,299,499.88 is: 624,679,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,995,198.40 : 1,279,964,927.12 = 416,299,499.88 : x
  2. Step 2: Convert to fraction form
    852,995,198.40/1,279,964,927.12 = 416,299,499.88/x
  3. Step 3: Cross multiply
    852,995,198.40x = 1,279,964,927.12 × 416,299,499.88
  4. Step 4: Simplify right side
    852,995,198.40x = 532,848,759,023,996,608
  5. Step 5: Solve for x
    x = 532,848,759,023,996,608/852,995,198.40
  6. Step 6: Final answer
    x = 624,679,669.97

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1.5x scale

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.