Home / 13,693,536,209.40-20,540,304,314.10-12,768,403,716.60

Finding the Fourth Proportional to 13,693,536,209.40, 20,540,304,314.10 and 12,768,403,716.60

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Solution

The fourth proportional to 13,693,536,209.40, 20,540,304,314.10 and 12,768,403,716.60 is: 19,152,605,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,536,209.40 : 20,540,304,314.10 = 12,768,403,716.60 : x
  2. Step 2: Convert to fraction form
    13,693,536,209.40/20,540,304,314.10 = 12,768,403,716.60/x
  3. Step 3: Cross multiply
    13,693,536,209.40x = 20,540,304,314.10 × 12,768,403,716.60
  4. Step 4: Simplify right side
    13,693,536,209.40x = 262,266,897,944,249,434,112
  5. Step 5: Solve for x
    x = 262,266,897,944,249,434,112/13,693,536,209.40
  6. Step 6: Final answer
    x = 19,152,605,574.90

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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.