Home / 12,973,872,164.17-19,450,335,524.35-11,926,655,792.39

Finding the Fourth Proportional to 12,973,872,164.17, 19,450,335,524.35 and 11,926,655,792.39

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Solution

The fourth proportional to 12,973,872,164.17, 19,450,335,524.35 and 11,926,655,792.39 is: 17,880,356,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,872,164.17 : 19,450,335,524.35 = 11,926,655,792.39 : x
  2. Step 2: Convert to fraction form
    12,973,872,164.17/19,450,335,524.35 = 11,926,655,792.39/x
  3. Step 3: Cross multiply
    12,973,872,164.17x = 19,450,335,524.35 × 11,926,655,792.39
  4. Step 4: Simplify right side
    12,973,872,164.17x = 231,977,456,845,417,873,408
  5. Step 5: Solve for x
    x = 231,977,456,845,417,873,408/12,973,872,164.17
  6. Step 6: Final answer
    x = 17,880,356,296.87

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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.