Home / 40,106,482,355.54-55,348,272,986.20-22,042,638,849.20

Finding the Fourth Proportional to 40,106,482,355.54, 55,348,272,986.20 and 22,042,638,849.20

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Solution

The fourth proportional to 40,106,482,355.54, 55,348,272,986.20 and 22,042,638,849.20 is: 30,419,571,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106,482,355.54 : 55,348,272,986.20 = 22,042,638,849.20 : x
  2. Step 2: Convert to fraction form
    40,106,482,355.54/55,348,272,986.20 = 22,042,638,849.20/x
  3. Step 3: Cross multiply
    40,106,482,355.54x = 55,348,272,986.20 × 22,042,638,849.20
  4. Step 4: Simplify right side
    40,106,482,355.54x = 1,220,021,992,361,738,895,360
  5. Step 5: Solve for x
    x = 1,220,021,992,361,738,895,360/40,106,482,355.54
  6. Step 6: Final answer
    x = 30,419,571,119.36

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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.