Home / 28,347,805,105.20-42,511,860,646.56-15,775,848,902.16

Finding the Fourth Proportional to 28,347,805,105.20, 42,511,860,646.56 and 15,775,848,902.16

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Solution

The fourth proportional to 28,347,805,105.20, 42,511,860,646.56 and 15,775,848,902.16 is: 23,658,293,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,805,105.20 : 42,511,860,646.56 = 15,775,848,902.16 : x
  2. Step 2: Convert to fraction form
    28,347,805,105.20/42,511,860,646.56 = 15,775,848,902.16/x
  3. Step 3: Cross multiply
    28,347,805,105.20x = 42,511,860,646.56 × 15,775,848,902.16
  4. Step 4: Simplify right side
    28,347,805,105.20x = 670,660,690,109,812,441,088
  5. Step 5: Solve for x
    x = 670,660,690,109,812,441,088/28,347,805,105.20
  6. Step 6: Final answer
    x = 23,658,293,388.89

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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.