Home / 2,166,584,033,678.70-2,989,887,889,832.40-1,191,118,505,429.20

Finding the Fourth Proportional to 2,166,584,033,678.70, 2,989,887,889,832.40 and 1,191,118,505,429.20

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Solution

The fourth proportional to 2,166,584,033,678.70, 2,989,887,889,832.40 and 1,191,118,505,429.20 is: 1,643,744,594,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,584,033,678.70 : 2,989,887,889,832.40 = 1,191,118,505,429.20 : x
  2. Step 2: Convert to fraction form
    2,166,584,033,678.70/2,989,887,889,832.40 = 1,191,118,505,429.20/x
  3. Step 3: Cross multiply
    2,166,584,033,678.70x = 2,989,887,889,832.40 × 1,191,118,505,429.20
  4. Step 4: Simplify right side
    2,166,584,033,678.70x = 3,561,310,794,738,032,644,718,592
  5. Step 5: Solve for x
    x = 3,561,310,794,738,032,644,718,592/2,166,584,033,678.70
  6. Step 6: Final answer
    x = 1,643,744,594,891.71

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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.