Home / 488,799,052.40-734,048,884.20-259,216,540.40

Finding the Fourth Proportional to 488,799,052.40, 734,048,884.20 and 259,216,540.40

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Solution

The fourth proportional to 488,799,052.40, 734,048,884.20 and 259,216,540.40 is: 389,275,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,799,052.40 : 734,048,884.20 = 259,216,540.40 : x
  2. Step 2: Convert to fraction form
    488,799,052.40/734,048,884.20 = 259,216,540.40/x
  3. Step 3: Cross multiply
    488,799,052.40x = 734,048,884.20 × 259,216,540.40
  4. Step 4: Simplify right side
    488,799,052.40x = 190,277,612,246,804,224
  5. Step 5: Solve for x
    x = 190,277,612,246,804,224/488,799,052.40
  6. Step 6: Final answer
    x = 389,275,738.80

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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.