Home / 325,050,408,037.80-487,575,612,056.70-212,078,593,445.40

Finding the Fourth Proportional to 325,050,408,037.80, 487,575,612,056.70 and 212,078,593,445.40

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Solution

The fourth proportional to 325,050,408,037.80, 487,575,612,056.70 and 212,078,593,445.40 is: 318,117,890,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,050,408,037.80 : 487,575,612,056.70 = 212,078,593,445.40 : x
  2. Step 2: Convert to fraction form
    325,050,408,037.80/487,575,612,056.70 = 212,078,593,445.40/x
  3. Step 3: Cross multiply
    325,050,408,037.80x = 487,575,612,056.70 × 212,078,593,445.40
  4. Step 4: Simplify right side
    325,050,408,037.80x = 103,404,350,003,264,954,040,320
  5. Step 5: Solve for x
    x = 103,404,350,003,264,954,040,320/325,050,408,037.80
  6. Step 6: Final answer
    x = 318,117,890,168.10

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Double scale
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Similar ratio
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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.