Home / 681,435,357.33-1,022,325,050.84-190,148,214.36

Finding the Fourth Proportional to 681,435,357.33, 1,022,325,050.84 and 190,148,214.36

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Solution

The fourth proportional to 681,435,357.33, 1,022,325,050.84 and 190,148,214.36 is: 285,270,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,435,357.33 : 1,022,325,050.84 = 190,148,214.36 : x
  2. Step 2: Convert to fraction form
    681,435,357.33/1,022,325,050.84 = 190,148,214.36/x
  3. Step 3: Cross multiply
    681,435,357.33x = 1,022,325,050.84 × 190,148,214.36
  4. Step 4: Simplify right side
    681,435,357.33x = 194,393,282,911,771,488
  5. Step 5: Solve for x
    x = 194,393,282,911,771,488/681,435,357.33
  6. Step 6: Final answer
    x = 285,270,320.69

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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.