Finding the Fourth Proportional to 1,962,471,240.74, 2,708,242,241.73 and 1,070,397,741.38
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Solution
The fourth proportional to 1,962,471,240.74, 2,708,242,241.73 and 1,070,397,741.38 is: 1,477,166,298.53
Step by Step Solution
- Step 1: Write the proportion equation
1,962,471,240.74 : 2,708,242,241.73 = 1,070,397,741.38 : x - Step 2: Convert to fraction form
1,962,471,240.74/2,708,242,241.73 = 1,070,397,741.38/x - Step 3: Cross multiply
1,962,471,240.74x = 2,708,242,241.73 × 1,070,397,741.38 - Step 4: Simplify right side
1,962,471,240.74x = 2,898,896,378,657,699,840 - Step 5: Solve for x
x = 2,898,896,378,657,699,840/1,962,471,240.74 - Step 6: Final answer
x = 1,477,166,298.53
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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.