Home / 13,579,047,847.53-18,739,703,112.30-7,557,938,898.84

Finding the Fourth Proportional to 13,579,047,847.53, 18,739,703,112.30 and 7,557,938,898.84

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Solution

The fourth proportional to 13,579,047,847.53, 18,739,703,112.30 and 7,557,938,898.84 is: 10,430,299,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,047,847.53 : 18,739,703,112.30 = 7,557,938,898.84 : x
  2. Step 2: Convert to fraction form
    13,579,047,847.53/18,739,703,112.30 = 7,557,938,898.84/x
  3. Step 3: Cross multiply
    13,579,047,847.53x = 18,739,703,112.30 × 7,557,938,898.84
  4. Step 4: Simplify right side
    13,579,047,847.53x = 141,633,531,105,165,180,928
  5. Step 5: Solve for x
    x = 141,633,531,105,165,180,928/13,579,047,847.53
  6. Step 6: Final answer
    x = 10,430,299,141.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.