Home / 281,460,557,066.64-388,412,809,310.76-152,994,362,228.88

Finding the Fourth Proportional to 281,460,557,066.64, 388,412,809,310.76 and 152,994,362,228.88

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Solution

The fourth proportional to 281,460,557,066.64, 388,412,809,310.76 and 152,994,362,228.88 is: 211,130,719,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,460,557,066.64 : 388,412,809,310.76 = 152,994,362,228.88 : x
  2. Step 2: Convert to fraction form
    281,460,557,066.64/388,412,809,310.76 = 152,994,362,228.88/x
  3. Step 3: Cross multiply
    281,460,557,066.64x = 388,412,809,310.76 × 152,994,362,228.88
  4. Step 4: Simplify right side
    281,460,557,066.64x = 59,424,970,042,027,309,793,280
  5. Step 5: Solve for x
    x = 59,424,970,042,027,309,793,280/281,460,557,066.64
  6. Step 6: Final answer
    x = 211,130,719,918.09

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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.