Home / 5,161,872,932,935-7,738,992,278,140-3,121,654,425,827

Finding the Fourth Proportional to 5,161,872,932,935, 7,738,992,278,140 and 3,121,654,425,827

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Solution

The fourth proportional to 5,161,872,932,935, 7,738,992,278,140 and 3,121,654,425,827 is: 4,680,173,225,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,872,932,935 : 7,738,992,278,140 = 3,121,654,425,827 : x
  2. Step 2: Convert to fraction form
    5,161,872,932,935/7,738,992,278,140 = 3,121,654,425,827/x
  3. Step 3: Cross multiply
    5,161,872,932,935x = 7,738,992,278,140 × 3,121,654,425,827
  4. Step 4: Simplify right side
    5,161,872,932,935x = 24,158,459,496,496,709,215,715,328
  5. Step 5: Solve for x
    x = 24,158,459,496,496,709,215,715,328/5,161,872,932,935
  6. Step 6: Final answer
    x = 4,680,173,225,953.55

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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.