Home / 1,420,946,644.96-1,960,806,824.76-826,188,934.24

Finding the Fourth Proportional to 1,420,946,644.96, 1,960,806,824.76 and 826,188,934.24

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Solution

The fourth proportional to 1,420,946,644.96, 1,960,806,824.76 and 826,188,934.24 is: 1,140,082,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,946,644.96 : 1,960,806,824.76 = 826,188,934.24 : x
  2. Step 2: Convert to fraction form
    1,420,946,644.96/1,960,806,824.76 = 826,188,934.24/x
  3. Step 3: Cross multiply
    1,420,946,644.96x = 1,960,806,824.76 × 826,188,934.24
  4. Step 4: Simplify right side
    1,420,946,644.96x = 1,619,996,900,798,982,912
  5. Step 5: Solve for x
    x = 1,619,996,900,798,982,912/1,420,946,644.96
  6. Step 6: Final answer
    x = 1,140,082,850.08

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Half scale
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Double scale
Find fourth proportional to 1,420,946,645.96, 1,960,806,826.14 and 826,188,935.24
Similar ratio
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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.