Finding the Fourth Proportional to 4,829,011,878.40, 7,243,517,817.60 and 2,969,393,531.20
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Solution
The fourth proportional to 4,829,011,878.40, 7,243,517,817.60 and 2,969,393,531.20 is: 4,454,090,296.80
Step by Step Solution
- Step 1: Write the proportion equation
4,829,011,878.40 : 7,243,517,817.60 = 2,969,393,531.20 : x - Step 2: Convert to fraction form
4,829,011,878.40/7,243,517,817.60 = 2,969,393,531.20/x - Step 3: Cross multiply
4,829,011,878.40x = 7,243,517,817.60 × 2,969,393,531.20 - Step 4: Simplify right side
4,829,011,878.40x = 21,508,854,950,713,380,864 - Step 5: Solve for x
x = 21,508,854,950,713,380,864/4,829,011,878.40 - Step 6: Final answer
x = 4,454,090,296.80
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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.