Finding the Fourth Proportional to 70,772,210,906.68, 97,664,991,001.50 and 38,657,560,770.10
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Solution
The fourth proportional to 70,772,210,906.68, 97,664,991,001.50 and 38,657,560,770.10 is: 53,347,073,326.99
Step by Step Solution
- Step 1: Write the proportion equation
70,772,210,906.68 : 97,664,991,001.50 = 38,657,560,770.10 : x - Step 2: Convert to fraction form
70,772,210,906.68/97,664,991,001.50 = 38,657,560,770.10/x - Step 3: Cross multiply
70,772,210,906.68x = 97,664,991,001.50 × 38,657,560,770.10 - Step 4: Simplify right side
70,772,210,906.68x = 3,775,490,324,751,950,807,040 - Step 5: Solve for x
x = 3,775,490,324,751,950,807,040/70,772,210,906.68 - Step 6: Final answer
x = 53,347,073,326.99
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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.