Finding the Fourth Proportional to 8,218,693,482,664.80, 11,341,804,439,660 and 4,515,149,707,281.20
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Solution
The fourth proportional to 8,218,693,482,664.80, 11,341,804,439,660 and 4,515,149,707,281.20 is: 6,230,910,679,876.98
Step by Step Solution
- Step 1: Write the proportion equation
8,218,693,482,664.80 : 11,341,804,439,660 = 4,515,149,707,281.20 : x - Step 2: Convert to fraction form
8,218,693,482,664.80/11,341,804,439,660 = 4,515,149,707,281.20/x - Step 3: Cross multiply
8,218,693,482,664.80x = 11,341,804,439,660 × 4,515,149,707,281.20 - Step 4: Simplify right side
8,218,693,482,664.80x = 51,209,944,995,771,464,107,950,080 - Step 5: Solve for x
x = 51,209,944,995,771,464,107,950,080/8,218,693,482,664.80 - Step 6: Final answer
x = 6,230,910,679,876.98
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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.