Home / 325,050,408,050.80-487,575,612,076.20-212,078,593,458.40

Finding the Fourth Proportional to 325,050,408,050.80, 487,575,612,076.20 and 212,078,593,458.40

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Solution

The fourth proportional to 325,050,408,050.80, 487,575,612,076.20 and 212,078,593,458.40 is: 318,117,890,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,050,408,050.80 : 487,575,612,076.20 = 212,078,593,458.40 : x
  2. Step 2: Convert to fraction form
    325,050,408,050.80/487,575,612,076.20 = 212,078,593,458.40/x
  3. Step 3: Cross multiply
    325,050,408,050.80x = 487,575,612,076.20 × 212,078,593,458.40
  4. Step 4: Simplify right side
    325,050,408,050.80x = 103,404,350,013,738,969,989,120
  5. Step 5: Solve for x
    x = 103,404,350,013,738,969,989,120/325,050,408,050.80
  6. Step 6: Final answer
    x = 318,117,890,187.60

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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.