Finding the Fourth Proportional to 608,972,195.26, 840,382,461.03 and 330,513,722.62
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Solution
The fourth proportional to 608,972,195.26, 840,382,461.03 and 330,513,722.62 is: 456,109,388.54
Step by Step Solution
- Step 1: Write the proportion equation
608,972,195.26 : 840,382,461.03 = 330,513,722.62 : x - Step 2: Convert to fraction form
608,972,195.26/840,382,461.03 = 330,513,722.62/x - Step 3: Cross multiply
608,972,195.26x = 840,382,461.03 × 330,513,722.62 - Step 4: Simplify right side
608,972,195.26x = 277,757,935,619,582,368 - Step 5: Solve for x
x = 277,757,935,619,582,368/608,972,195.26 - Step 6: Final answer
x = 456,109,388.54
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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.