Home / 11,921,362,989.40-16,450,739,664.12-6,568,623,803.72

Finding the Fourth Proportional to 11,921,362,989.40, 16,450,739,664.12 and 6,568,623,803.72

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Solution

The fourth proportional to 11,921,362,989.40, 16,450,739,664.12 and 6,568,623,803.72 is: 9,064,292,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,362,989.40 : 16,450,739,664.12 = 6,568,623,803.72 : x
  2. Step 2: Convert to fraction form
    11,921,362,989.40/16,450,739,664.12 = 6,568,623,803.72/x
  3. Step 3: Cross multiply
    11,921,362,989.40x = 16,450,739,664.12 × 6,568,623,803.72
  4. Step 4: Simplify right side
    11,921,362,989.40x = 108,058,720,146,539,397,120
  5. Step 5: Solve for x
    x = 108,058,720,146,539,397,120/11,921,362,989.40
  6. Step 6: Final answer
    x = 9,064,292,417.12

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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.