Home / 13,693,536,193.65-20,540,304,290.48-12,768,403,700.85

Finding the Fourth Proportional to 13,693,536,193.65, 20,540,304,290.48 and 12,768,403,700.85

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Solution

The fourth proportional to 13,693,536,193.65, 20,540,304,290.48 and 12,768,403,700.85 is: 19,152,605,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,536,193.65 : 20,540,304,290.48 = 12,768,403,700.85 : x
  2. Step 2: Convert to fraction form
    13,693,536,193.65/20,540,304,290.48 = 12,768,403,700.85/x
  3. Step 3: Cross multiply
    13,693,536,193.65x = 20,540,304,290.48 × 12,768,403,700.85
  4. Step 4: Simplify right side
    13,693,536,193.65x = 262,266,897,319,086,096,384
  5. Step 5: Solve for x
    x = 262,266,897,319,086,096,384/13,693,536,193.65
  6. Step 6: Final answer
    x = 19,152,605,551.28

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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.