Home / 921,245,269,410.85-1,382,056,374,765.40-316,791,974,182.64

Finding the Fourth Proportional to 921,245,269,410.85, 1,382,056,374,765.40 and 316,791,974,182.64

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Solution

The fourth proportional to 921,245,269,410.85, 1,382,056,374,765.40 and 316,791,974,182.64 is: 475,252,771,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,245,269,410.85 : 1,382,056,374,765.40 = 316,791,974,182.64 : x
  2. Step 2: Convert to fraction form
    921,245,269,410.85/1,382,056,374,765.40 = 316,791,974,182.64/x
  3. Step 3: Cross multiply
    921,245,269,410.85x = 1,382,056,374,765.40 × 316,791,974,182.64
  4. Step 4: Simplify right side
    921,245,269,410.85x = 437,824,367,393,633,592,147,968
  5. Step 5: Solve for x
    x = 437,824,367,393,633,592,147,968/921,245,269,410.85
  6. Step 6: Final answer
    x = 475,252,771,364.17

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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.