Finding the Fourth Proportional to 4,128,985,150.40, 6,193,477,725.60 and 2,975,333,027.60
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Solution
The fourth proportional to 4,128,985,150.40, 6,193,477,725.60 and 2,975,333,027.60 is: 4,462,999,541.40
Step by Step Solution
- Step 1: Write the proportion equation
4,128,985,150.40 : 6,193,477,725.60 = 2,975,333,027.60 : x - Step 2: Convert to fraction form
4,128,985,150.40/6,193,477,725.60 = 2,975,333,027.60/x - Step 3: Cross multiply
4,128,985,150.40x = 6,193,477,725.60 × 2,975,333,027.60 - Step 4: Simplify right side
4,128,985,150.40x = 18,427,658,832,682,610,688 - Step 5: Solve for x
x = 18,427,658,832,682,610,688/4,128,985,150.40 - Step 6: Final answer
x = 4,462,999,541.40
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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.