Home / 7,943,650,620,347.40-11,915,476,069,288-1,906,719,278,083.20

Finding the Fourth Proportional to 7,943,650,620,347.40, 11,915,476,069,288 and 1,906,719,278,083.20

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Solution

The fourth proportional to 7,943,650,620,347.40, 11,915,476,069,288 and 1,906,719,278,083.20 is: 2,860,078,950,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943,650,620,347.40 : 11,915,476,069,288 = 1,906,719,278,083.20 : x
  2. Step 2: Convert to fraction form
    7,943,650,620,347.40/11,915,476,069,288 = 1,906,719,278,083.20/x
  3. Step 3: Cross multiply
    7,943,650,620,347.40x = 11,915,476,069,288 × 1,906,719,278,083.20
  4. Step 4: Simplify right side
    7,943,650,620,347.40x = 22,719,467,928,850,460,359,786,496
  5. Step 5: Solve for x
    x = 22,719,467,928,850,460,359,786,496/7,943,650,620,347.40
  6. Step 6: Final answer
    x = 2,860,078,950,433.10

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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.