Home / 1,049,915,361,302.50-1,449,116,284,544.80-638,296,376,315.27

Finding the Fourth Proportional to 1,049,915,361,302.50, 1,449,116,284,544.80 and 638,296,376,315.27

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Solution

The fourth proportional to 1,049,915,361,302.50, 1,449,116,284,544.80 and 638,296,376,315.27 is: 880,990,703,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,915,361,302.50 : 1,449,116,284,544.80 = 638,296,376,315.27 : x
  2. Step 2: Convert to fraction form
    1,049,915,361,302.50/1,449,116,284,544.80 = 638,296,376,315.27/x
  3. Step 3: Cross multiply
    1,049,915,361,302.50x = 1,449,116,284,544.80 × 638,296,376,315.27
  4. Step 4: Simplify right side
    1,049,915,361,302.50x = 924,965,673,284,393,620,209,664
  5. Step 5: Solve for x
    x = 924,965,673,284,393,620,209,664/1,049,915,361,302.50
  6. Step 6: Final answer
    x = 880,990,703,990.56

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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.