Finding the Fourth Proportional to 585,657,524.79, 808,208,918.93 and 317,733,343.36
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Solution
The fourth proportional to 585,657,524.79, 808,208,918.93 and 317,733,343.36 is: 438,472,846.46
Step by Step Solution
- Step 1: Write the proportion equation
585,657,524.79 : 808,208,918.93 = 317,733,343.36 : x - Step 2: Convert to fraction form
585,657,524.79/808,208,918.93 = 317,733,343.36/x - Step 3: Cross multiply
585,657,524.79x = 808,208,918.93 × 317,733,343.36 - Step 4: Simplify right side
585,657,524.79x = 256,794,921,943,792,960 - Step 5: Solve for x
x = 256,794,921,943,792,960/585,657,524.79 - Step 6: Final answer
x = 438,472,846.46
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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.