Home / 1,262,496,929,717.30-1,742,375,618,370.60-768,136,583,191.57

Finding the Fourth Proportional to 1,262,496,929,717.30, 1,742,375,618,370.60 and 768,136,583,191.57

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Solution

The fourth proportional to 1,262,496,929,717.30, 1,742,375,618,370.60 and 768,136,583,191.57 is: 1,060,107,492,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,496,929,717.30 : 1,742,375,618,370.60 = 768,136,583,191.57 : x
  2. Step 2: Convert to fraction form
    1,262,496,929,717.30/1,742,375,618,370.60 = 768,136,583,191.57/x
  3. Step 3: Cross multiply
    1,262,496,929,717.30x = 1,742,375,618,370.60 × 768,136,583,191.57
  4. Step 4: Simplify right side
    1,262,496,929,717.30x = 1,338,382,454,131,491,505,963,008
  5. Step 5: Solve for x
    x = 1,338,382,454,131,491,505,963,008/1,262,496,929,717.30
  6. Step 6: Final answer
    x = 1,060,107,492,246.48

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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.