Finding the Fourth Proportional to 990,706,268.16, 1,367,175,524.52 and 544,677,220.08
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Solution
The fourth proportional to 990,706,268.16, 1,367,175,524.52 and 544,677,220.08 is: 751,655,044.48
Step by Step Solution
- Step 1: Write the proportion equation
990,706,268.16 : 1,367,175,524.52 = 544,677,220.08 : x - Step 2: Convert to fraction form
990,706,268.16/1,367,175,524.52 = 544,677,220.08/x - Step 3: Cross multiply
990,706,268.16x = 1,367,175,524.52 × 544,677,220.08 - Step 4: Simplify right side
990,706,268.16x = 744,669,364,056,969,472 - Step 5: Solve for x
x = 744,669,364,056,969,472/990,706,268.16 - Step 6: Final answer
x = 751,655,044.48
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1.5x scale
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.