Home / 1,116,177,401.20-1,674,266,101.80-339,816,895.60

Finding the Fourth Proportional to 1,116,177,401.20, 1,674,266,101.80 and 339,816,895.60

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Solution

The fourth proportional to 1,116,177,401.20, 1,674,266,101.80 and 339,816,895.60 is: 509,725,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,177,401.20 : 1,674,266,101.80 = 339,816,895.60 : x
  2. Step 2: Convert to fraction form
    1,116,177,401.20/1,674,266,101.80 = 339,816,895.60/x
  3. Step 3: Cross multiply
    1,116,177,401.20x = 1,674,266,101.80 × 339,816,895.60
  4. Step 4: Simplify right side
    1,116,177,401.20x = 568,943,909,121,989,568
  5. Step 5: Solve for x
    x = 568,943,909,121,989,568/1,116,177,401.20
  6. Step 6: Final answer
    x = 509,725,343.40

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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.