Home / 13,818,032,212.80-20,686,233,650.40-9,165,159,969.60

Finding the Fourth Proportional to 13,818,032,212.80, 20,686,233,650.40 and 9,165,159,969.60

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Solution

The fourth proportional to 13,818,032,212.80, 20,686,233,650.40 and 9,165,159,969.60 is: 13,720,668,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,032,212.80 : 20,686,233,650.40 = 9,165,159,969.60 : x
  2. Step 2: Convert to fraction form
    13,818,032,212.80/20,686,233,650.40 = 9,165,159,969.60/x
  3. Step 3: Cross multiply
    13,818,032,212.80x = 20,686,233,650.40 × 9,165,159,969.60
  4. Step 4: Simplify right side
    13,818,032,212.80x = 189,592,640,574,438,572,032
  5. Step 5: Solve for x
    x = 189,592,640,574,438,572,032/13,818,032,212.80
  6. Step 6: Final answer
    x = 13,720,668,591.21

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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.