Home / 1,370,213,758.42-1,890,570,890.78-775,498,230.22

Finding the Fourth Proportional to 1,370,213,758.42, 1,890,570,890.78 and 775,498,230.22

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Solution

The fourth proportional to 1,370,213,758.42, 1,890,570,890.78 and 775,498,230.22 is: 1,070,004,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,213,758.42 : 1,890,570,890.78 = 775,498,230.22 : x
  2. Step 2: Convert to fraction form
    1,370,213,758.42/1,890,570,890.78 = 775,498,230.22/x
  3. Step 3: Cross multiply
    1,370,213,758.42x = 1,890,570,890.78 × 775,498,230.22
  4. Step 4: Simplify right side
    1,370,213,758.42x = 1,466,134,379,905,338,880
  5. Step 5: Solve for x
    x = 1,466,134,379,905,338,880/1,370,213,758.42
  6. Step 6: Final answer
    x = 1,070,004,129.57

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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.