Home / 627,036,991.71-940,029,360.76-277,226,582.28

Finding the Fourth Proportional to 627,036,991.71, 940,029,360.76 and 277,226,582.28

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Solution

The fourth proportional to 627,036,991.71, 940,029,360.76 and 277,226,582.28 is: 415,607,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,036,991.71 : 940,029,360.76 = 277,226,582.28 : x
  2. Step 2: Convert to fraction form
    627,036,991.71/940,029,360.76 = 277,226,582.28/x
  3. Step 3: Cross multiply
    627,036,991.71x = 940,029,360.76 × 277,226,582.28
  4. Step 4: Simplify right side
    627,036,991.71x = 260,601,126,926,347,904
  5. Step 5: Solve for x
    x = 260,601,126,926,347,904/627,036,991.71
  6. Step 6: Final answer
    x = 415,607,261.41

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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.