Finding the Fourth Proportional to 581,847,788.42, 802,949,735.93 and 317,529,782.09
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Solution
The fourth proportional to 581,847,788.42, 802,949,735.93 and 317,529,782.09 is: 438,190,983.54
Step by Step Solution
- Step 1: Write the proportion equation
581,847,788.42 : 802,949,735.93 = 317,529,782.09 : x - Step 2: Convert to fraction form
581,847,788.42/802,949,735.93 = 317,529,782.09/x - Step 3: Cross multiply
581,847,788.42x = 802,949,735.93 × 317,529,782.09 - Step 4: Simplify right side
581,847,788.42x = 254,960,454,673,473,504 - Step 5: Solve for x
x = 254,960,454,673,473,504/581,847,788.42 - Step 6: Final answer
x = 438,190,983.54
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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.