Home / 20,526,319,265.52-28,326,320,828.28-11,138,945,441.52

Finding the Fourth Proportional to 20,526,319,265.52, 28,326,320,828.28 and 11,138,945,441.52

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Solution

The fourth proportional to 20,526,319,265.52, 28,326,320,828.28 and 11,138,945,441.52 is: 15,371,744,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,319,265.52 : 28,326,320,828.28 = 11,138,945,441.52 : x
  2. Step 2: Convert to fraction form
    20,526,319,265.52/28,326,320,828.28 = 11,138,945,441.52/x
  3. Step 3: Cross multiply
    20,526,319,265.52x = 28,326,320,828.28 × 11,138,945,441.52
  4. Step 4: Simplify right side
    20,526,319,265.52x = 315,525,342,265,202,507,776
  5. Step 5: Solve for x
    x = 315,525,342,265,202,507,776/20,526,319,265.52
  6. Step 6: Final answer
    x = 15,371,744,840.55

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