Home / 5,978,487,817.20-8,967,731,725.80-3,914,575,676.40

Finding the Fourth Proportional to 5,978,487,817.20, 8,967,731,725.80 and 3,914,575,676.40

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Solution

The fourth proportional to 5,978,487,817.20, 8,967,731,725.80 and 3,914,575,676.40 is: 5,871,863,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,487,817.20 : 8,967,731,725.80 = 3,914,575,676.40 : x
  2. Step 2: Convert to fraction form
    5,978,487,817.20/8,967,731,725.80 = 3,914,575,676.40/x
  3. Step 3: Cross multiply
    5,978,487,817.20x = 8,967,731,725.80 × 3,914,575,676.40
  4. Step 4: Simplify right side
    5,978,487,817.20x = 35,104,864,486,297,272,320
  5. Step 5: Solve for x
    x = 35,104,864,486,297,272,320/5,978,487,817.20
  6. Step 6: Final answer
    x = 5,871,863,514.60

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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.