Finding the Fourth Proportional to 613,602,729.87, 846,774,353.25 and 345,681,777.09
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Solution
The fourth proportional to 613,602,729.87, 846,774,353.25 and 345,681,777.09 is: 477,042,309.26
Step by Step Solution
- Step 1: Write the proportion equation
613,602,729.87 : 846,774,353.25 = 345,681,777.09 : x - Step 2: Convert to fraction form
613,602,729.87/846,774,353.25 = 345,681,777.09/x - Step 3: Cross multiply
613,602,729.87x = 846,774,353.25 × 345,681,777.09 - Step 4: Simplify right side
613,602,729.87x = 292,714,463,223,578,432 - Step 5: Solve for x
x = 292,714,463,223,578,432/613,602,729.87 - Step 6: Final answer
x = 477,042,309.26
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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.