Finding the Fourth Proportional to 11,035,609,969.68, 15,249,062,694.96 and 7,858,277,685.18
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Solution
The fourth proportional to 11,035,609,969.68, 15,249,062,694.96 and 7,858,277,685.18 is: 10,858,608,579.40
Step by Step Solution
- Step 1: Write the proportion equation
11,035,609,969.68 : 15,249,062,694.96 = 7,858,277,685.18 : x - Step 2: Convert to fraction form
11,035,609,969.68/15,249,062,694.96 = 7,858,277,685.18/x - Step 3: Cross multiply
11,035,609,969.68x = 15,249,062,694.96 × 7,858,277,685.18 - Step 4: Simplify right side
11,035,609,969.68x = 119,831,369,095,714,963,456 - Step 5: Solve for x
x = 119,831,369,095,714,963,456/11,035,609,969.68 - Step 6: Final answer
x = 10,858,608,579.40
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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.