Home / 2,212,467,396.28-3,053,114,153.19-1,208,919,414.29

Finding the Fourth Proportional to 2,212,467,396.28, 3,053,114,153.19 and 1,208,919,414.29

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Solution

The fourth proportional to 2,212,467,396.28, 3,053,114,153.19 and 1,208,919,414.29 is: 1,668,259,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,467,396.28 : 3,053,114,153.19 = 1,208,919,414.29 : x
  2. Step 2: Convert to fraction form
    2,212,467,396.28/3,053,114,153.19 = 1,208,919,414.29/x
  3. Step 3: Cross multiply
    2,212,467,396.28x = 3,053,114,153.19 × 1,208,919,414.29
  4. Step 4: Simplify right side
    2,212,467,396.28x = 3,690,968,973,819,698,688
  5. Step 5: Solve for x
    x = 3,690,968,973,819,698,688/2,212,467,396.28
  6. Step 6: Final answer
    x = 1,668,259,148.15

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Half scale
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Double scale
Find fourth proportional to 2,212,467,397.28, 3,053,114,154.57 and 1,208,919,415.29
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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.