Home / 911,147,858,573.45-1,365,765,067,334.40-306,563,168,215.28

Finding the Fourth Proportional to 911,147,858,573.45, 1,365,765,067,334.40 and 306,563,168,215.28

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Solution

The fourth proportional to 911,147,858,573.45, 1,365,765,067,334.40 and 306,563,168,215.28 is: 459,522,855,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,147,858,573.45 : 1,365,765,067,334.40 = 306,563,168,215.28 : x
  2. Step 2: Convert to fraction form
    911,147,858,573.45/1,365,765,067,334.40 = 306,563,168,215.28/x
  3. Step 3: Cross multiply
    911,147,858,573.45x = 1,365,765,067,334.40 × 306,563,168,215.28
  4. Step 4: Simplify right side
    911,147,858,573.45x = 418,693,266,079,788,862,275,584
  5. Step 5: Solve for x
    x = 418,693,266,079,788,862,275,584/911,147,858,573.45
  6. Step 6: Final answer
    x = 459,522,855,857.14

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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.