Finding the Fourth Proportional to 3,171,926,386,913.60, 4,757,883,641,782 and 993,887,117,338.60
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Solution
The fourth proportional to 3,171,926,386,913.60, 4,757,883,641,782 and 993,887,117,338.60 is: 1,490,828,815,218.66
Step by Step Solution
- Step 1: Write the proportion equation
3,171,926,386,913.60 : 4,757,883,641,782 = 993,887,117,338.60 : x - Step 2: Convert to fraction form
3,171,926,386,913.60/4,757,883,641,782 = 993,887,117,338.60/x - Step 3: Cross multiply
3,171,926,386,913.60x = 4,757,883,641,782 × 993,887,117,338.60 - Step 4: Simplify right side
3,171,926,386,913.60x = 4,728,799,257,363,192,242,765,824 - Step 5: Solve for x
x = 4,728,799,257,363,192,242,765,824/3,171,926,386,913.60 - Step 6: Final answer
x = 1,490,828,815,218.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.