Home / 1,392,235,146.88-2,088,322,383.92-654,896,355.52

Finding the Fourth Proportional to 1,392,235,146.88, 2,088,322,383.92 and 654,896,355.52

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Solution

The fourth proportional to 1,392,235,146.88, 2,088,322,383.92 and 654,896,355.52 is: 982,330,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,235,146.88 : 2,088,322,383.92 = 654,896,355.52 : x
  2. Step 2: Convert to fraction form
    1,392,235,146.88/2,088,322,383.92 = 654,896,355.52/x
  3. Step 3: Cross multiply
    1,392,235,146.88x = 2,088,322,383.92 × 654,896,355.52
  4. Step 4: Simplify right side
    1,392,235,146.88x = 1,367,634,718,380,046,336
  5. Step 5: Solve for x
    x = 1,367,634,718,380,046,336/1,392,235,146.88
  6. Step 6: Final answer
    x = 982,330,263.28

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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.