Home / 1,049,915,361,346.90-1,449,116,284,605.80-638,296,376,359.62

Finding the Fourth Proportional to 1,049,915,361,346.90, 1,449,116,284,605.80 and 638,296,376,359.62

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Solution

The fourth proportional to 1,049,915,361,346.90, 1,449,116,284,605.80 and 638,296,376,359.62 is: 880,990,704,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,915,361,346.90 : 1,449,116,284,605.80 = 638,296,376,359.62 : x
  2. Step 2: Convert to fraction form
    1,049,915,361,346.90/1,449,116,284,605.80 = 638,296,376,359.62/x
  3. Step 3: Cross multiply
    1,049,915,361,346.90x = 1,449,116,284,605.80 × 638,296,376,359.62
  4. Step 4: Simplify right side
    1,049,915,361,346.90x = 924,965,673,387,597,926,236,160
  5. Step 5: Solve for x
    x = 924,965,673,387,597,926,236,160/1,049,915,361,346.90
  6. Step 6: Final answer
    x = 880,990,704,051.60

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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.