Finding the Fourth Proportional to 7,557,415,806.12, 10,427,942,410.80 and 4,384,872,468.42
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Solution
The fourth proportional to 7,557,415,806.12, 10,427,942,410.80 and 4,384,872,468.42 is: 6,050,374,724.96
Step by Step Solution
- Step 1: Write the proportion equation
7,557,415,806.12 : 10,427,942,410.80 = 4,384,872,468.42 : x - Step 2: Convert to fraction form
7,557,415,806.12/10,427,942,410.80 = 4,384,872,468.42/x - Step 3: Cross multiply
7,557,415,806.12x = 10,427,942,410.80 × 4,384,872,468.42 - Step 4: Simplify right side
7,557,415,806.12x = 45,725,197,579,386,200,064 - Step 5: Solve for x
x = 45,725,197,579,386,200,064/7,557,415,806.12 - Step 6: Final answer
x = 6,050,374,724.96
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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.