Home / 19,279,842,794.28-28,906,561,646.37-9,818,171,525.88

Finding the Fourth Proportional to 19,279,842,794.28, 28,906,561,646.37 and 9,818,171,525.88

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Solution

The fourth proportional to 19,279,842,794.28, 28,906,561,646.37 and 9,818,171,525.88 is: 14,720,533,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279,842,794.28 : 28,906,561,646.37 = 9,818,171,525.88 : x
  2. Step 2: Convert to fraction form
    19,279,842,794.28/28,906,561,646.37 = 9,818,171,525.88/x
  3. Step 3: Cross multiply
    19,279,842,794.28x = 28,906,561,646.37 × 9,818,171,525.88
  4. Step 4: Simplify right side
    19,279,842,794.28x = 283,809,580,467,484,786,688
  5. Step 5: Solve for x
    x = 283,809,580,467,484,786,688/19,279,842,794.28
  6. Step 6: Final answer
    x = 14,720,533,953.30

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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.