Home / 885,759,881.60-1,328,639,822.40-845,449,097.60

Finding the Fourth Proportional to 885,759,881.60, 1,328,639,822.40 and 845,449,097.60

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Solution

The fourth proportional to 885,759,881.60, 1,328,639,822.40 and 845,449,097.60 is: 1,268,173,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,759,881.60 : 1,328,639,822.40 = 845,449,097.60 : x
  2. Step 2: Convert to fraction form
    885,759,881.60/1,328,639,822.40 = 845,449,097.60/x
  3. Step 3: Cross multiply
    885,759,881.60x = 1,328,639,822.40 × 845,449,097.60
  4. Step 4: Simplify right side
    885,759,881.60x = 1,123,297,338,883,504,384
  5. Step 5: Solve for x
    x = 1,123,297,338,883,504,384/885,759,881.60
  6. Step 6: Final answer
    x = 1,268,173,646.40

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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.