Finding the Fourth Proportional to 7,770,807,124.04, 10,723,745,922 and 4,202,513,954.74
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Solution
The fourth proportional to 7,770,807,124.04, 10,723,745,922 and 4,202,513,954.74 is: 5,799,486,612.51
Step by Step Solution
- Step 1: Write the proportion equation
7,770,807,124.04 : 10,723,745,922 = 4,202,513,954.74 : x - Step 2: Convert to fraction form
7,770,807,124.04/10,723,745,922 = 4,202,513,954.74/x - Step 3: Cross multiply
7,770,807,124.04x = 10,723,745,922 × 4,202,513,954.74 - Step 4: Simplify right side
7,770,807,124.04x = 45,066,691,884,291,162,112 - Step 5: Solve for x
x = 45,066,691,884,291,162,112/7,770,807,124.04 - Step 6: Final answer
x = 5,799,486,612.51
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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.