Home / 1,637,173,843,009.90-2,259,148,284,872.60-905,546,502,991.84

Finding the Fourth Proportional to 1,637,173,843,009.90, 2,259,148,284,872.60 and 905,546,502,991.84

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Solution

The fourth proportional to 1,637,173,843,009.90, 2,259,148,284,872.60 and 905,546,502,991.84 is: 1,249,570,311,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,173,843,009.90 : 2,259,148,284,872.60 = 905,546,502,991.84 : x
  2. Step 2: Convert to fraction form
    1,637,173,843,009.90/2,259,148,284,872.60 = 905,546,502,991.84/x
  3. Step 3: Cross multiply
    1,637,173,843,009.90x = 2,259,148,284,872.60 × 905,546,502,991.84
  4. Step 4: Simplify right side
    1,637,173,843,009.90x = 2,045,763,829,106,395,970,535,424
  5. Step 5: Solve for x
    x = 2,045,763,829,106,395,970,535,424/1,637,173,843,009.90
  6. Step 6: Final answer
    x = 1,249,570,311,571.38

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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.