Home / 1,369,985,065.18-1,890,579,389.42-743,453,493.14

Finding the Fourth Proportional to 1,369,985,065.18, 1,890,579,389.42 and 743,453,493.14

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Solution

The fourth proportional to 1,369,985,065.18, 1,890,579,389.42 and 743,453,493.14 is: 1,025,965,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,985,065.18 : 1,890,579,389.42 = 743,453,493.14 : x
  2. Step 2: Convert to fraction form
    1,369,985,065.18/1,890,579,389.42 = 743,453,493.14/x
  3. Step 3: Cross multiply
    1,369,985,065.18x = 1,890,579,389.42 × 743,453,493.14
  4. Step 4: Simplify right side
    1,369,985,065.18x = 1,405,557,851,122,787,328
  5. Step 5: Solve for x
    x = 1,405,557,851,122,787,328/1,369,985,065.18
  6. Step 6: Final answer
    x = 1,025,965,820.25

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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.