Finding the Fourth Proportional to 6,294,456,542.01, 8,690,270,181.62 and 4,006,879,486.10
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Solution
The fourth proportional to 6,294,456,542.01, 8,690,270,181.62 and 4,006,879,486.10 is: 5,531,989,153.79
Step by Step Solution
- Step 1: Write the proportion equation
6,294,456,542.01 : 8,690,270,181.62 = 4,006,879,486.10 : x - Step 2: Convert to fraction form
6,294,456,542.01/8,690,270,181.62 = 4,006,879,486.10/x - Step 3: Cross multiply
6,294,456,542.01x = 8,690,270,181.62 × 4,006,879,486.10 - Step 4: Simplify right side
6,294,456,542.01x = 34,820,865,319,399,702,528 - Step 5: Solve for x
x = 34,820,865,319,399,702,528/6,294,456,542.01 - Step 6: Final answer
x = 5,531,989,153.79
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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.