Finding the Fourth Proportional to 827,831,089.80, 1,241,746,634.70 and 704,725,734.60
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Solution
The fourth proportional to 827,831,089.80, 1,241,746,634.70 and 704,725,734.60 is: 1,057,088,601.90
Step by Step Solution
- Step 1: Write the proportion equation
827,831,089.80 : 1,241,746,634.70 = 704,725,734.60 : x - Step 2: Convert to fraction form
827,831,089.80/1,241,746,634.70 = 704,725,734.60/x - Step 3: Cross multiply
827,831,089.80x = 1,241,746,634.70 × 704,725,734.60 - Step 4: Simplify right side
827,831,089.80x = 875,090,809,326,035,456 - Step 5: Solve for x
x = 875,090,809,326,035,456/827,831,089.80 - Step 6: Final answer
x = 1,057,088,601.90
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1.5x scale
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.