Finding the Fourth Proportional to 163,463,307,593.80, 245,194,961,390.70 and 75,303,622,985.80
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Solution
The fourth proportional to 163,463,307,593.80, 245,194,961,390.70 and 75,303,622,985.80 is: 112,955,434,478.70
Step by Step Solution
- Step 1: Write the proportion equation
163,463,307,593.80 : 245,194,961,390.70 = 75,303,622,985.80 : x - Step 2: Convert to fraction form
163,463,307,593.80/245,194,961,390.70 = 75,303,622,985.80/x - Step 3: Cross multiply
163,463,307,593.80x = 245,194,961,390.70 × 75,303,622,985.80 - Step 4: Simplify right side
163,463,307,593.80x = 18,464,068,930,583,060,807,680 - Step 5: Solve for x
x = 18,464,068,930,583,060,807,680/163,463,307,593.80 - Step 6: Final answer
x = 112,955,434,478.70
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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.