Home / 18,562,065,245.53-27,845,090,395.47-7,939,392,793.18

Finding the Fourth Proportional to 18,562,065,245.53, 27,845,090,395.47 and 7,939,392,793.18

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Solution

The fourth proportional to 18,562,065,245.53, 27,845,090,395.47 and 7,939,392,793.18 is: 11,909,941,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562,065,245.53 : 27,845,090,395.47 = 7,939,392,793.18 : x
  2. Step 2: Convert to fraction form
    18,562,065,245.53/27,845,090,395.47 = 7,939,392,793.18/x
  3. Step 3: Cross multiply
    18,562,065,245.53x = 27,845,090,395.47 × 7,939,392,793.18
  4. Step 4: Simplify right side
    18,562,065,245.53x = 221,073,110,011,154,628,608
  5. Step 5: Solve for x
    x = 221,073,110,011,154,628,608/18,562,065,245.53
  6. Step 6: Final answer
    x = 11,909,941,436.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.