Home / 893,622,653.78-1,340,627,888.40-271,821,724.70

Finding the Fourth Proportional to 893,622,653.78, 1,340,627,888.40 and 271,821,724.70

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Solution

The fourth proportional to 893,622,653.78, 1,340,627,888.40 and 271,821,724.70 is: 407,791,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,622,653.78 : 1,340,627,888.40 = 271,821,724.70 : x
  2. Step 2: Convert to fraction form
    893,622,653.78/1,340,627,888.40 = 271,821,724.70/x
  3. Step 3: Cross multiply
    893,622,653.78x = 1,340,627,888.40 × 271,821,724.70
  4. Step 4: Simplify right side
    893,622,653.78x = 364,411,784,805,807,104
  5. Step 5: Solve for x
    x = 364,411,784,805,807,104/893,622,653.78
  6. Step 6: Final answer
    x = 407,791,569.81

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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.