Home / 1,049,915,361,313.50-1,449,116,284,560-638,296,376,326.35

Finding the Fourth Proportional to 1,049,915,361,313.50, 1,449,116,284,560 and 638,296,376,326.35

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Solution

The fourth proportional to 1,049,915,361,313.50, 1,449,116,284,560 and 638,296,376,326.35 is: 880,990,704,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,915,361,313.50 : 1,449,116,284,560 = 638,296,376,326.35 : x
  2. Step 2: Convert to fraction form
    1,049,915,361,313.50/1,449,116,284,560 = 638,296,376,326.35/x
  3. Step 3: Cross multiply
    1,049,915,361,313.50x = 1,449,116,284,560 × 638,296,376,326.35
  4. Step 4: Simplify right side
    1,049,915,361,313.50x = 924,965,673,310,151,881,261,056
  5. Step 5: Solve for x
    x = 924,965,673,310,151,881,261,056/1,049,915,361,313.50
  6. Step 6: Final answer
    x = 880,990,704,005.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.