Finding the Fourth Proportional to 220,739,858,510.18, 304,677,682,470.66 and 143,769,501,465.80
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Solution
The fourth proportional to 220,739,858,510.18, 304,677,682,470.66 and 143,769,501,465.80 is: 198,438,826,645.09
Step by Step Solution
- Step 1: Write the proportion equation
220,739,858,510.18 : 304,677,682,470.66 = 143,769,501,465.80 : x - Step 2: Convert to fraction form
220,739,858,510.18/304,677,682,470.66 = 143,769,501,465.80/x - Step 3: Cross multiply
220,739,858,510.18x = 304,677,682,470.66 × 143,769,501,465.80 - Step 4: Simplify right side
220,739,858,510.18x = 43,803,358,516,562,089,738,240 - Step 5: Solve for x
x = 43,803,358,516,562,089,738,240/220,739,858,510.18 - Step 6: Final answer
x = 198,438,826,645.09
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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.