Home / 21,720,240,887.20-32,580,361,330.80-11,802,276,368.80

Finding the Fourth Proportional to 21,720,240,887.20, 32,580,361,330.80 and 11,802,276,368.80

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Solution

The fourth proportional to 21,720,240,887.20, 32,580,361,330.80 and 11,802,276,368.80 is: 17,703,414,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,240,887.20 : 32,580,361,330.80 = 11,802,276,368.80 : x
  2. Step 2: Convert to fraction form
    21,720,240,887.20/32,580,361,330.80 = 11,802,276,368.80/x
  3. Step 3: Cross multiply
    21,720,240,887.20x = 32,580,361,330.80 × 11,802,276,368.80
  4. Step 4: Simplify right side
    21,720,240,887.20x = 384,522,428,621,466,107,904
  5. Step 5: Solve for x
    x = 384,522,428,621,466,107,904/21,720,240,887.20
  6. Step 6: Final answer
    x = 17,703,414,553.20

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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.