Finding the Fourth Proportional to 6,294,456,579.36, 8,690,270,233.71 and 4,006,879,523.69
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Solution
The fourth proportional to 6,294,456,579.36, 8,690,270,233.71 and 4,006,879,523.69 is: 5,531,989,206.02
Step by Step Solution
- Step 1: Write the proportion equation
6,294,456,579.36 : 8,690,270,233.71 = 4,006,879,523.69 : x - Step 2: Convert to fraction form
6,294,456,579.36/8,690,270,233.71 = 4,006,879,523.69/x - Step 3: Cross multiply
6,294,456,579.36x = 8,690,270,233.71 × 4,006,879,523.69 - Step 4: Simplify right side
6,294,456,579.36x = 34,820,865,854,794,928,128 - Step 5: Solve for x
x = 34,820,865,854,794,928,128/6,294,456,579.36 - Step 6: Final answer
x = 5,531,989,206.02
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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.