Home / 1,295,464,273,198.60-1,787,796,893,320.50-717,400,791,975.66

Finding the Fourth Proportional to 1,295,464,273,198.60, 1,787,796,893,320.50 and 717,400,791,975.66

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Solution

The fourth proportional to 1,295,464,273,198.60, 1,787,796,893,320.50 and 717,400,791,975.66 is: 990,044,213,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,464,273,198.60 : 1,787,796,893,320.50 = 717,400,791,975.66 : x
  2. Step 2: Convert to fraction form
    1,295,464,273,198.60/1,787,796,893,320.50 = 717,400,791,975.66/x
  3. Step 3: Cross multiply
    1,295,464,273,198.60x = 1,787,796,893,320.50 × 717,400,791,975.66
  4. Step 4: Simplify right side
    1,295,464,273,198.60x = 1,282,566,907,159,751,314,898,944
  5. Step 5: Solve for x
    x = 1,282,566,907,159,751,314,898,944/1,295,464,273,198.60
  6. Step 6: Final answer
    x = 990,044,213,255.68

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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.