Finding the Fourth Proportional to 7,243,368,331.40, 10,865,052,497.10 and 4,763,877,201.80
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Solution
The fourth proportional to 7,243,368,331.40, 10,865,052,497.10 and 4,763,877,201.80 is: 7,145,815,802.70
Step by Step Solution
- Step 1: Write the proportion equation
7,243,368,331.40 : 10,865,052,497.10 = 4,763,877,201.80 : x - Step 2: Convert to fraction form
7,243,368,331.40/10,865,052,497.10 = 4,763,877,201.80/x - Step 3: Cross multiply
7,243,368,331.40x = 10,865,052,497.10 × 4,763,877,201.80 - Step 4: Simplify right side
7,243,368,331.40x = 51,759,775,887,294,857,216 - Step 5: Solve for x
x = 51,759,775,887,294,857,216/7,243,368,331.40 - Step 6: Final answer
x = 7,145,815,802.70
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1.5x scale
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.