Home / 786,113,389.36-1,179,321,249.48-301,401,406

Finding the Fourth Proportional to 786,113,389.36, 1,179,321,249.48 and 301,401,406

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Solution

The fourth proportional to 786,113,389.36, 1,179,321,249.48 and 301,401,406 is: 452,160,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,113,389.36 : 1,179,321,249.48 = 301,401,406 : x
  2. Step 2: Convert to fraction form
    786,113,389.36/1,179,321,249.48 = 301,401,406/x
  3. Step 3: Cross multiply
    786,113,389.36x = 1,179,321,249.48 × 301,401,406
  4. Step 4: Simplify right side
    786,113,389.36x = 355,449,082,718,948,800
  5. Step 5: Solve for x
    x = 355,449,082,718,948,800/786,113,389.36
  6. Step 6: Final answer
    x = 452,160,066.89

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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.