Home / 488,795,436.40-734,043,460.20-259,212,924.40

Finding the Fourth Proportional to 488,795,436.40, 734,043,460.20 and 259,212,924.40

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Solution

The fourth proportional to 488,795,436.40, 734,043,460.20 and 259,212,924.40 is: 389,270,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,795,436.40 : 734,043,460.20 = 259,212,924.40 : x
  2. Step 2: Convert to fraction form
    488,795,436.40/734,043,460.20 = 259,212,924.40/x
  3. Step 3: Cross multiply
    488,795,436.40x = 734,043,460.20 × 259,212,924.40
  4. Step 4: Simplify right side
    488,795,436.40x = 190,273,551,955,137,024
  5. Step 5: Solve for x
    x = 190,273,551,955,137,024/488,795,436.40
  6. Step 6: Final answer
    x = 389,270,311.84

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1.5x scale

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.