Home / 1,440,632,494.08-1,987,919,787.20-796,786,116.53

Finding the Fourth Proportional to 1,440,632,494.08, 1,987,919,787.20 and 796,786,116.53

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Solution

The fourth proportional to 1,440,632,494.08, 1,987,919,787.20 and 796,786,116.53 is: 1,099,480,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,632,494.08 : 1,987,919,787.20 = 796,786,116.53 : x
  2. Step 2: Convert to fraction form
    1,440,632,494.08/1,987,919,787.20 = 796,786,116.53/x
  3. Step 3: Cross multiply
    1,440,632,494.08x = 1,987,919,787.20 × 796,786,116.53
  4. Step 4: Simplify right side
    1,440,632,494.08x = 1,583,946,887,202,308,352
  5. Step 5: Solve for x
    x = 1,583,946,887,202,308,352/1,440,632,494.08
  6. Step 6: Final answer
    x = 1,099,480,189.23

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Double scale
Find fourth proportional to 1,440,632,495.08, 1,987,919,788.57 and 796,786,117.53
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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.