Home / 636,901,573,069.12-955,486,533,269.33-206,605,058,977.21

Finding the Fourth Proportional to 636,901,573,069.12, 955,486,533,269.33 and 206,605,058,977.21

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Solution

The fourth proportional to 636,901,573,069.12, 955,486,533,269.33 and 206,605,058,977.21 is: 309,951,113,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,901,573,069.12 : 955,486,533,269.33 = 206,605,058,977.21 : x
  2. Step 2: Convert to fraction form
    636,901,573,069.12/955,486,533,269.33 = 206,605,058,977.21/x
  3. Step 3: Cross multiply
    636,901,573,069.12x = 955,486,533,269.33 × 206,605,058,977.21
  4. Step 4: Simplify right side
    636,901,573,069.12x = 197,408,351,558,039,821,615,104
  5. Step 5: Solve for x
    x = 197,408,351,558,039,821,615,104/636,901,573,069.12
  6. Step 6: Final answer
    x = 309,951,113,178.70

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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.