Home / 1,222,278,089.88-1,833,477,943.38-349,009,028.76

Finding the Fourth Proportional to 1,222,278,089.88, 1,833,477,943.38 and 349,009,028.76

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Solution

The fourth proportional to 1,222,278,089.88, 1,833,477,943.38 and 349,009,028.76 is: 523,530,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,278,089.88 : 1,833,477,943.38 = 349,009,028.76 : x
  2. Step 2: Convert to fraction form
    1,222,278,089.88/1,833,477,943.38 = 349,009,028.76/x
  3. Step 3: Cross multiply
    1,222,278,089.88x = 1,833,477,943.38 × 349,009,028.76
  4. Step 4: Simplify right side
    1,222,278,089.88x = 639,900,356,271,936,128
  5. Step 5: Solve for x
    x = 639,900,356,271,936,128/1,222,278,089.88
  6. Step 6: Final answer
    x = 523,530,906.40

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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.