Home / 8,399,334,974.42-12,590,201,825.54-3,913,731,460.86

Finding the Fourth Proportional to 8,399,334,974.42, 12,590,201,825.54 and 3,913,731,460.86

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Solution

The fourth proportional to 8,399,334,974.42, 12,590,201,825.54 and 3,913,731,460.86 is: 5,866,496,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,334,974.42 : 12,590,201,825.54 = 3,913,731,460.86 : x
  2. Step 2: Convert to fraction form
    8,399,334,974.42/12,590,201,825.54 = 3,913,731,460.86/x
  3. Step 3: Cross multiply
    8,399,334,974.42x = 12,590,201,825.54 × 3,913,731,460.86
  4. Step 4: Simplify right side
    8,399,334,974.42x = 49,274,668,983,192,911,872
  5. Step 5: Solve for x
    x = 49,274,668,983,192,911,872/8,399,334,974.42
  6. Step 6: Final answer
    x = 5,866,496,470.64

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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.