Finding the Fourth Proportional to 565,906,378.65, 848,626,718.09 and 216,281,579.91
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Solution
The fourth proportional to 565,906,378.65, 848,626,718.09 and 216,281,579.91 is: 324,333,377.86
Step by Step Solution
- Step 1: Write the proportion equation
565,906,378.65 : 848,626,718.09 = 216,281,579.91 : x - Step 2: Convert to fraction form
565,906,378.65/848,626,718.09 = 216,281,579.91/x - Step 3: Cross multiply
565,906,378.65x = 848,626,718.09 × 216,281,579.91 - Step 4: Simplify right side
565,906,378.65x = 183,542,327,341,261,984 - Step 5: Solve for x
x = 183,542,327,341,261,984/565,906,378.65 - Step 6: Final answer
x = 324,333,377.86
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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.