Home / 12,984,461,725.56-19,464,575,694.66-5,123,939,132.76

Finding the Fourth Proportional to 12,984,461,725.56, 19,464,575,694.66 and 5,123,939,132.76

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Solution

The fourth proportional to 12,984,461,725.56, 19,464,575,694.66 and 5,123,939,132.76 is: 7,681,127,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,461,725.56 : 19,464,575,694.66 = 5,123,939,132.76 : x
  2. Step 2: Convert to fraction form
    12,984,461,725.56/19,464,575,694.66 = 5,123,939,132.76/x
  3. Step 3: Cross multiply
    12,984,461,725.56x = 19,464,575,694.66 × 5,123,939,132.76
  4. Step 4: Simplify right side
    12,984,461,725.56x = 99,735,301,104,437,542,912
  5. Step 5: Solve for x
    x = 99,735,301,104,437,542,912/12,984,461,725.56
  6. Step 6: Final answer
    x = 7,681,127,120.43

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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.