Home / 1,640,374,046.66-2,263,716,184.04-897,818,109.41

Finding the Fourth Proportional to 1,640,374,046.66, 2,263,716,184.04 and 897,818,109.41

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Solution

The fourth proportional to 1,640,374,046.66, 2,263,716,184.04 and 897,818,109.41 is: 1,238,988,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,374,046.66 : 2,263,716,184.04 = 897,818,109.41 : x
  2. Step 2: Convert to fraction form
    1,640,374,046.66/2,263,716,184.04 = 897,818,109.41/x
  3. Step 3: Cross multiply
    1,640,374,046.66x = 2,263,716,184.04 × 897,818,109.41
  4. Step 4: Simplify right side
    1,640,374,046.66x = 2,032,405,384,579,804,416
  5. Step 5: Solve for x
    x = 2,032,405,384,579,804,416/1,640,374,046.66
  6. Step 6: Final answer
    x = 1,238,988,990.79

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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.