Home / 221,980,317,215.76-306,333,064,471.68-120,482,223,468.48

Finding the Fourth Proportional to 221,980,317,215.76, 306,333,064,471.68 and 120,482,223,468.48

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Solution

The fourth proportional to 221,980,317,215.76, 306,333,064,471.68 and 120,482,223,468.48 is: 166,265,591,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,980,317,215.76 : 306,333,064,471.68 = 120,482,223,468.48 : x
  2. Step 2: Convert to fraction form
    221,980,317,215.76/306,333,064,471.68 = 120,482,223,468.48/x
  3. Step 3: Cross multiply
    221,980,317,215.76x = 306,333,064,471.68 × 120,482,223,468.48
  4. Step 4: Simplify right side
    221,980,317,215.76x = 36,907,688,729,461,238,267,904
  5. Step 5: Solve for x
    x = 36,907,688,729,461,238,267,904/221,980,317,215.76
  6. Step 6: Final answer
    x = 166,265,591,437.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.