Home / 19,387,113,993.78-29,039,945,914.14-12,300,949,352.76

Finding the Fourth Proportional to 19,387,113,993.78, 29,039,945,914.14 and 12,300,949,352.76

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Solution

The fourth proportional to 19,387,113,993.78, 29,039,945,914.14 and 12,300,949,352.76 is: 18,425,584,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,113,993.78 : 29,039,945,914.14 = 12,300,949,352.76 : x
  2. Step 2: Convert to fraction form
    19,387,113,993.78/29,039,945,914.14 = 12,300,949,352.76/x
  3. Step 3: Cross multiply
    19,387,113,993.78x = 29,039,945,914.14 × 12,300,949,352.76
  4. Step 4: Simplify right side
    19,387,113,993.78x = 357,218,903,896,725,848,064
  5. Step 5: Solve for x
    x = 357,218,903,896,725,848,064/19,387,113,993.78
  6. Step 6: Final answer
    x = 18,425,584,334.59

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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.