Home / 893,622,651.77-1,340,627,885.39-271,821,722.69

Finding the Fourth Proportional to 893,622,651.77, 1,340,627,885.39 and 271,821,722.69

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Solution

The fourth proportional to 893,622,651.77, 1,340,627,885.39 and 271,821,722.69 is: 407,791,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,622,651.77 : 1,340,627,885.39 = 271,821,722.69 : x
  2. Step 2: Convert to fraction form
    893,622,651.77/1,340,627,885.39 = 271,821,722.69/x
  3. Step 3: Cross multiply
    893,622,651.77x = 1,340,627,885.39 × 271,821,722.69
  4. Step 4: Simplify right side
    893,622,651.77x = 364,411,781,296,992,768
  5. Step 5: Solve for x
    x = 364,411,781,296,992,768/893,622,651.77
  6. Step 6: Final answer
    x = 407,791,566.80

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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.