Home / 1,422,368,091,971.30-1,962,817,180,353.30-805,057,556,188.30

Finding the Fourth Proportional to 1,422,368,091,971.30, 1,962,817,180,353.30 and 805,057,556,188.30

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Solution

The fourth proportional to 1,422,368,091,971.30, 1,962,817,180,353.30 and 805,057,556,188.30 is: 1,110,950,682,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,368,091,971.30 : 1,962,817,180,353.30 = 805,057,556,188.30 : x
  2. Step 2: Convert to fraction form
    1,422,368,091,971.30/1,962,817,180,353.30 = 805,057,556,188.30/x
  3. Step 3: Cross multiply
    1,422,368,091,971.30x = 1,962,817,180,353.30 × 805,057,556,188.30
  4. Step 4: Simplify right side
    1,422,368,091,971.30x = 1,580,180,802,459,637,540,454,400
  5. Step 5: Solve for x
    x = 1,580,180,802,459,637,540,454,400/1,422,368,091,971.30
  6. Step 6: Final answer
    x = 1,110,950,682,442.28

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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.