Home / 1,909,694,137.20-2,634,413,248.44-1,116,221,722.80

Finding the Fourth Proportional to 1,909,694,137.20, 2,634,413,248.44 and 1,116,221,722.80

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Solution

The fourth proportional to 1,909,694,137.20, 2,634,413,248.44 and 1,116,221,722.80 is: 1,539,822,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,694,137.20 : 2,634,413,248.44 = 1,116,221,722.80 : x
  2. Step 2: Convert to fraction form
    1,909,694,137.20/2,634,413,248.44 = 1,116,221,722.80/x
  3. Step 3: Cross multiply
    1,909,694,137.20x = 2,634,413,248.44 × 1,116,221,722.80
  4. Step 4: Simplify right side
    1,909,694,137.20x = 2,940,589,294,740,840,960
  5. Step 5: Solve for x
    x = 2,940,589,294,740,840,960/1,909,694,137.20
  6. Step 6: Final answer
    x = 1,539,822,130.39

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Double scale
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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.