Home / 1,242,080,588,962.80-1,863,120,883,444.20-818,087,605,801.20

Finding the Fourth Proportional to 1,242,080,588,962.80, 1,863,120,883,444.20 and 818,087,605,801.20

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Solution

The fourth proportional to 1,242,080,588,962.80, 1,863,120,883,444.20 and 818,087,605,801.20 is: 1,227,131,408,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,080,588,962.80 : 1,863,120,883,444.20 = 818,087,605,801.20 : x
  2. Step 2: Convert to fraction form
    1,242,080,588,962.80/1,863,120,883,444.20 = 818,087,605,801.20/x
  3. Step 3: Cross multiply
    1,242,080,588,962.80x = 1,863,120,883,444.20 × 818,087,605,801.20
  4. Step 4: Simplify right side
    1,242,080,588,962.80x = 1,524,196,102,855,082,083,614,720
  5. Step 5: Solve for x
    x = 1,524,196,102,855,082,083,614,720/1,242,080,588,962.80
  6. Step 6: Final answer
    x = 1,227,131,408,701.80

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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.