Home / 20,945,063,072.80-28,904,797,444.62-11,430,227,685.16

Finding the Fourth Proportional to 20,945,063,072.80, 28,904,797,444.62 and 11,430,227,685.16

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Solution

The fourth proportional to 20,945,063,072.80, 28,904,797,444.62 and 11,430,227,685.16 is: 15,774,047,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,945,063,072.80 : 28,904,797,444.62 = 11,430,227,685.16 : x
  2. Step 2: Convert to fraction form
    20,945,063,072.80/28,904,797,444.62 = 11,430,227,685.16/x
  3. Step 3: Cross multiply
    20,945,063,072.80x = 28,904,797,444.62 × 11,430,227,685.16
  4. Step 4: Simplify right side
    20,945,063,072.80x = 330,388,415,985,437,507,584
  5. Step 5: Solve for x
    x = 330,388,415,985,437,507,584/20,945,063,072.80
  6. Step 6: Final answer
    x = 15,774,047,317.84

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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.