Home / 764,946,220.20-1,147,419,330.30-611,891,212.20

Finding the Fourth Proportional to 764,946,220.20, 1,147,419,330.30 and 611,891,212.20

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Solution

The fourth proportional to 764,946,220.20, 1,147,419,330.30 and 611,891,212.20 is: 917,836,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,946,220.20 : 1,147,419,330.30 = 611,891,212.20 : x
  2. Step 2: Convert to fraction form
    764,946,220.20/1,147,419,330.30 = 611,891,212.20/x
  3. Step 3: Cross multiply
    764,946,220.20x = 1,147,419,330.30 × 611,891,212.20
  4. Step 4: Simplify right side
    764,946,220.20x = 702,095,804,918,979,200
  5. Step 5: Solve for x
    x = 702,095,804,918,979,200/764,946,220.20
  6. Step 6: Final answer
    x = 917,836,818.30

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Double scale
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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.