Home / 5,161,872,932,936-7,738,992,278,141.50-3,121,654,425,828

Finding the Fourth Proportional to 5,161,872,932,936, 7,738,992,278,141.50 and 3,121,654,425,828

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Solution

The fourth proportional to 5,161,872,932,936, 7,738,992,278,141.50 and 3,121,654,425,828 is: 4,680,173,225,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,872,932,936 : 7,738,992,278,141.50 = 3,121,654,425,828 : x
  2. Step 2: Convert to fraction form
    5,161,872,932,936/7,738,992,278,141.50 = 3,121,654,425,828/x
  3. Step 3: Cross multiply
    5,161,872,932,936x = 7,738,992,278,141.50 × 3,121,654,425,828
  4. Step 4: Simplify right side
    5,161,872,932,936x = 24,158,459,496,509,130,261,135,360
  5. Step 5: Solve for x
    x = 24,158,459,496,509,130,261,135,360/5,161,872,932,936
  6. Step 6: Final answer
    x = 4,680,173,225,955.05

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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.