Home / 1,266,385,021.38-1,747,611,498.20-701,906,307.30

Finding the Fourth Proportional to 1,266,385,021.38, 1,747,611,498.20 and 701,906,307.30

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Solution

The fourth proportional to 1,266,385,021.38, 1,747,611,498.20 and 701,906,307.30 is: 968,630,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,385,021.38 : 1,747,611,498.20 = 701,906,307.30 : x
  2. Step 2: Convert to fraction form
    1,266,385,021.38/1,747,611,498.20 = 701,906,307.30/x
  3. Step 3: Cross multiply
    1,266,385,021.38x = 1,747,611,498.20 × 701,906,307.30
  4. Step 4: Simplify right side
    1,266,385,021.38x = 1,226,659,533,293,072,896
  5. Step 5: Solve for x
    x = 1,226,659,533,293,072,896/1,266,385,021.38
  6. Step 6: Final answer
    x = 968,630,797.57

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Half scale
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Double scale
Find fourth proportional to 1,266,385,022.38, 1,747,611,499.58 and 701,906,308.30
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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.