Home / 1,405,221,033,551.50-1,938,491,340,067.30-917,765,305,431.31

Finding the Fourth Proportional to 1,405,221,033,551.50, 1,938,491,340,067.30 and 917,765,305,431.31

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Solution

The fourth proportional to 1,405,221,033,551.50, 1,938,491,340,067.30 and 917,765,305,431.31 is: 1,266,050,005,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,551.50 : 1,938,491,340,067.30 = 917,765,305,431.31 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,551.50/1,938,491,340,067.30 = 917,765,305,431.31/x
  3. Step 3: Cross multiply
    1,405,221,033,551.50x = 1,938,491,340,067.30 × 917,765,305,431.31
  4. Step 4: Simplify right side
    1,405,221,033,551.50x = 1,779,080,096,792,815,066,939,392
  5. Step 5: Solve for x
    x = 1,779,080,096,792,815,066,939,392/1,405,221,033,551.50
  6. Step 6: Final answer
    x = 1,266,050,005,169.96

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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.