Finding the Fourth Proportional to 4,221,056,669.68, 6,331,585,201.36 and 2,891,773,925.20
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Solution
The fourth proportional to 4,221,056,669.68, 6,331,585,201.36 and 2,891,773,925.20 is: 4,337,661,022.65
Step by Step Solution
- Step 1: Write the proportion equation
4,221,056,669.68 : 6,331,585,201.36 = 2,891,773,925.20 : x - Step 2: Convert to fraction form
4,221,056,669.68/6,331,585,201.36 = 2,891,773,925.20/x - Step 3: Cross multiply
4,221,056,669.68x = 6,331,585,201.36 × 2,891,773,925.20 - Step 4: Simplify right side
4,221,056,669.68x = 18,309,512,990,475,036,672 - Step 5: Solve for x
x = 18,309,512,990,475,036,672/4,221,056,669.68 - Step 6: Final answer
x = 4,337,661,022.65
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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.