Finding the Fourth Proportional to 744,088,878.81, 1,116,136,242.99 and 301,439,920.05
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Solution
The fourth proportional to 744,088,878.81, 1,116,136,242.99 and 301,439,920.05 is: 452,161,064.94
Step by Step Solution
- Step 1: Write the proportion equation
744,088,878.81 : 1,116,136,242.99 = 301,439,920.05 : x - Step 2: Convert to fraction form
744,088,878.81/1,116,136,242.99 = 301,439,920.05/x - Step 3: Cross multiply
744,088,878.81x = 1,116,136,242.99 × 301,439,920.05 - Step 4: Simplify right side
744,088,878.81x = 336,448,019,851,812,992 - Step 5: Solve for x
x = 336,448,019,851,812,992/744,088,878.81 - Step 6: Final answer
x = 452,161,064.94
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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.