Home / 421,269,243.26-581,300,619.05-242,711,546.24

Finding the Fourth Proportional to 421,269,243.26, 581,300,619.05 and 242,711,546.24

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Solution

The fourth proportional to 421,269,243.26, 581,300,619.05 and 242,711,546.24 is: 334,912,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,269,243.26 : 581,300,619.05 = 242,711,546.24 : x
  2. Step 2: Convert to fraction form
    421,269,243.26/581,300,619.05 = 242,711,546.24/x
  3. Step 3: Cross multiply
    421,269,243.26x = 581,300,619.05 × 242,711,546.24
  4. Step 4: Simplify right side
    421,269,243.26x = 141,088,372,081,954,736
  5. Step 5: Solve for x
    x = 141,088,372,081,954,736/421,269,243.26
  6. Step 6: Final answer
    x = 334,912,587.00

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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.