Home / 355,968,026.80-533,952,040.20-253,175,527.60

Finding the Fourth Proportional to 355,968,026.80, 533,952,040.20 and 253,175,527.60

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Solution

The fourth proportional to 355,968,026.80, 533,952,040.20 and 253,175,527.60 is: 379,763,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,968,026.80 : 533,952,040.20 = 253,175,527.60 : x
  2. Step 2: Convert to fraction form
    355,968,026.80/533,952,040.20 = 253,175,527.60/x
  3. Step 3: Cross multiply
    355,968,026.80x = 533,952,040.20 × 253,175,527.60
  4. Step 4: Simplify right side
    355,968,026.80x = 135,183,589,490,731,408
  5. Step 5: Solve for x
    x = 135,183,589,490,731,408/355,968,026.80
  6. Step 6: Final answer
    x = 379,763,291.40

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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.