Home / 1,182,103,893.20-1,773,155,839.80-320,460,885.20

Finding the Fourth Proportional to 1,182,103,893.20, 1,773,155,839.80 and 320,460,885.20

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Solution

The fourth proportional to 1,182,103,893.20, 1,773,155,839.80 and 320,460,885.20 is: 480,691,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,103,893.20 : 1,773,155,839.80 = 320,460,885.20 : x
  2. Step 2: Convert to fraction form
    1,182,103,893.20/1,773,155,839.80 = 320,460,885.20/x
  3. Step 3: Cross multiply
    1,182,103,893.20x = 1,773,155,839.80 × 320,460,885.20
  4. Step 4: Simplify right side
    1,182,103,893.20x = 568,227,090,019,857,344
  5. Step 5: Solve for x
    x = 568,227,090,019,857,344/1,182,103,893.20
  6. Step 6: Final answer
    x = 480,691,327.80

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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.