Home / 1,266,121,701.75-1,747,258,207.39-701,616,012.76

Finding the Fourth Proportional to 1,266,121,701.75, 1,747,258,207.39 and 701,616,012.76

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Solution

The fourth proportional to 1,266,121,701.75, 1,747,258,207.39 and 701,616,012.76 is: 968,235,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,121,701.75 : 1,747,258,207.39 = 701,616,012.76 : x
  2. Step 2: Convert to fraction form
    1,266,121,701.75/1,747,258,207.39 = 701,616,012.76/x
  3. Step 3: Cross multiply
    1,266,121,701.75x = 1,747,258,207.39 × 701,616,012.76
  4. Step 4: Simplify right side
    1,266,121,701.75x = 1,225,904,336,731,156,992
  5. Step 5: Solve for x
    x = 1,225,904,336,731,156,992/1,266,121,701.75
  6. Step 6: Final answer
    x = 968,235,782.58

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Half scale
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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.