Home / 786,113,388.36-1,179,321,247.98-301,401,405

Finding the Fourth Proportional to 786,113,388.36, 1,179,321,247.98 and 301,401,405

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Solution

The fourth proportional to 786,113,388.36, 1,179,321,247.98 and 301,401,405 is: 452,160,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,113,388.36 : 1,179,321,247.98 = 301,401,405 : x
  2. Step 2: Convert to fraction form
    786,113,388.36/1,179,321,247.98 = 301,401,405/x
  3. Step 3: Cross multiply
    786,113,388.36x = 1,179,321,247.98 × 301,401,405
  4. Step 4: Simplify right side
    786,113,388.36x = 355,449,081,087,525,440
  5. Step 5: Solve for x
    x = 355,449,081,087,525,440/786,113,388.36
  6. Step 6: Final answer
    x = 452,160,065.39

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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.