Home / 12,757,786,625.60-19,136,679,938.40-11,982,307,918.40

Finding the Fourth Proportional to 12,757,786,625.60, 19,136,679,938.40 and 11,982,307,918.40

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Solution

The fourth proportional to 12,757,786,625.60, 19,136,679,938.40 and 11,982,307,918.40 is: 17,973,461,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,786,625.60 : 19,136,679,938.40 = 11,982,307,918.40 : x
  2. Step 2: Convert to fraction form
    12,757,786,625.60/19,136,679,938.40 = 11,982,307,918.40/x
  3. Step 3: Cross multiply
    12,757,786,625.60x = 19,136,679,938.40 × 11,982,307,918.40
  4. Step 4: Simplify right side
    12,757,786,625.60x = 229,301,591,557,776,769,024
  5. Step 5: Solve for x
    x = 229,301,591,557,776,769,024/12,757,786,625.60
  6. Step 6: Final answer
    x = 17,973,461,877.60

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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.