Home / 13,619,069,025.36-18,791,987,687.64-7,902,042,835.92

Finding the Fourth Proportional to 13,619,069,025.36, 18,791,987,687.64 and 7,902,042,835.92

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Solution

The fourth proportional to 13,619,069,025.36, 18,791,987,687.64 and 7,902,042,835.92 is: 10,903,468,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,069,025.36 : 18,791,987,687.64 = 7,902,042,835.92 : x
  2. Step 2: Convert to fraction form
    13,619,069,025.36/18,791,987,687.64 = 7,902,042,835.92/x
  3. Step 3: Cross multiply
    13,619,069,025.36x = 18,791,987,687.64 × 7,902,042,835.92
  4. Step 4: Simplify right side
    13,619,069,025.36x = 148,495,091,679,812,517,888
  5. Step 5: Solve for x
    x = 148,495,091,679,812,517,888/13,619,069,025.36
  6. Step 6: Final answer
    x = 10,903,468,614.73

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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.