Home / 1,820,473,583.20-2,512,257,911.80-985,107,117.76

Finding the Fourth Proportional to 1,820,473,583.20, 2,512,257,911.80 and 985,107,117.76

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Solution

The fourth proportional to 1,820,473,583.20, 2,512,257,911.80 and 985,107,117.76 is: 1,359,450,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,473,583.20 : 2,512,257,911.80 = 985,107,117.76 : x
  2. Step 2: Convert to fraction form
    1,820,473,583.20/2,512,257,911.80 = 985,107,117.76/x
  3. Step 3: Cross multiply
    1,820,473,583.20x = 2,512,257,911.80 × 985,107,117.76
  4. Step 4: Simplify right side
    1,820,473,583.20x = 2,474,843,150,563,054,592
  5. Step 5: Solve for x
    x = 2,474,843,150,563,054,592/1,820,473,583.20
  6. Step 6: Final answer
    x = 1,359,450,185.60

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Double scale
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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.