Home / 1,035,843,905.60-1,553,765,858.40-269,939,009.60

Finding the Fourth Proportional to 1,035,843,905.60, 1,553,765,858.40 and 269,939,009.60

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Solution

The fourth proportional to 1,035,843,905.60, 1,553,765,858.40 and 269,939,009.60 is: 404,908,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,843,905.60 : 1,553,765,858.40 = 269,939,009.60 : x
  2. Step 2: Convert to fraction form
    1,035,843,905.60/1,553,765,858.40 = 269,939,009.60/x
  3. Step 3: Cross multiply
    1,035,843,905.60x = 1,553,765,858.40 × 269,939,009.60
  4. Step 4: Simplify right side
    1,035,843,905.60x = 419,422,016,966,789,888
  5. Step 5: Solve for x
    x = 419,422,016,966,789,888/1,035,843,905.60
  6. Step 6: Final answer
    x = 404,908,514.40

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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.