Finding the Fourth Proportional to 1,541,166,606.56, 2,126,809,917.18 and 836,318,587.99
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Solution
The fourth proportional to 1,541,166,606.56, 2,126,809,917.18 and 836,318,587.99 is: 1,154,119,651.50
Step by Step Solution
- Step 1: Write the proportion equation
1,541,166,606.56 : 2,126,809,917.18 = 836,318,587.99 : x - Step 2: Convert to fraction form
1,541,166,606.56/2,126,809,917.18 = 836,318,587.99/x - Step 3: Cross multiply
1,541,166,606.56x = 2,126,809,917.18 × 836,318,587.99 - Step 4: Simplify right side
1,541,166,606.56x = 1,778,690,666,859,106,560 - Step 5: Solve for x
x = 1,778,690,666,859,106,560/1,541,166,606.56 - Step 6: Final answer
x = 1,154,119,651.50
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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.