Finding the Fourth Proportional to 7,358,831,829.88, 10,155,136,264.62 and 4,017,330,112.12
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Solution
The fourth proportional to 7,358,831,829.88, 10,155,136,264.62 and 4,017,330,112.12 is: 5,543,887,352.19
Step by Step Solution
- Step 1: Write the proportion equation
7,358,831,829.88 : 10,155,136,264.62 = 4,017,330,112.12 : x - Step 2: Convert to fraction form
7,358,831,829.88/10,155,136,264.62 = 4,017,330,112.12/x - Step 3: Cross multiply
7,358,831,829.88x = 10,155,136,264.62 × 4,017,330,112.12 - Step 4: Simplify right side
7,358,831,829.88x = 40,796,534,708,539,744,256 - Step 5: Solve for x
x = 40,796,534,708,539,744,256/7,358,831,829.88 - Step 6: Final answer
x = 5,543,887,352.19
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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.