Home / 1,911,361,090.53-2,637,810,872.82-1,158,705,990.39

Finding the Fourth Proportional to 1,911,361,090.53, 2,637,810,872.82 and 1,158,705,990.39

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Solution

The fourth proportional to 1,911,361,090.53, 2,637,810,872.82 and 1,158,705,990.39 is: 1,599,094,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,361,090.53 : 2,637,810,872.82 = 1,158,705,990.39 : x
  2. Step 2: Convert to fraction form
    1,911,361,090.53/2,637,810,872.82 = 1,158,705,990.39/x
  3. Step 3: Cross multiply
    1,911,361,090.53x = 2,637,810,872.82 × 1,158,705,990.39
  4. Step 4: Simplify right side
    1,911,361,090.53x = 3,056,447,259,852,408,832
  5. Step 5: Solve for x
    x = 3,056,447,259,852,408,832/1,911,361,090.53
  6. Step 6: Final answer
    x = 1,599,094,632.09

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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.