Finding the Fourth Proportional to 6,819,984,678.24, 9,411,578,773.74 and 3,690,860,070.24
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Solution
The fourth proportional to 6,819,984,678.24, 9,411,578,773.74 and 3,690,860,070.24 is: 5,093,386,852.43
Step by Step Solution
- Step 1: Write the proportion equation
6,819,984,678.24 : 9,411,578,773.74 = 3,690,860,070.24 : x - Step 2: Convert to fraction form
6,819,984,678.24/9,411,578,773.74 = 3,690,860,070.24/x - Step 3: Cross multiply
6,819,984,678.24x = 9,411,578,773.74 × 3,690,860,070.24 - Step 4: Simplify right side
6,819,984,678.24x = 34,736,820,293,915,308,032 - Step 5: Solve for x
x = 34,736,820,293,915,308,032/6,819,984,678.24 - Step 6: Final answer
x = 5,093,386,852.43
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Double scale
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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.