Home / 13,921,715,963.60-19,212,432,090.52-7,819,143,945.92

Finding the Fourth Proportional to 13,921,715,963.60, 19,212,432,090.52 and 7,819,143,945.92

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Solution

The fourth proportional to 13,921,715,963.60, 19,212,432,090.52 and 7,819,143,945.92 is: 10,790,679,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,715,963.60 : 19,212,432,090.52 = 7,819,143,945.92 : x
  2. Step 2: Convert to fraction form
    13,921,715,963.60/19,212,432,090.52 = 7,819,143,945.92/x
  3. Step 3: Cross multiply
    13,921,715,963.60x = 19,212,432,090.52 × 7,819,143,945.92
  4. Step 4: Simplify right side
    13,921,715,963.60x = 150,224,772,066,952,609,792
  5. Step 5: Solve for x
    x = 150,224,772,066,952,609,792/13,921,715,963.60
  6. Step 6: Final answer
    x = 10,790,679,285.50

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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.