Finding the Fourth Proportional to 7,823,204,716.15, 10,798,830,692.34 and 4,651,381,065.82
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Solution
The fourth proportional to 7,823,204,716.15, 10,798,830,692.34 and 4,651,381,065.82 is: 6,420,575,510.65
Step by Step Solution
- Step 1: Write the proportion equation
7,823,204,716.15 : 10,798,830,692.34 = 4,651,381,065.82 : x - Step 2: Convert to fraction form
7,823,204,716.15/10,798,830,692.34 = 4,651,381,065.82/x - Step 3: Cross multiply
7,823,204,716.15x = 10,798,830,692.34 × 4,651,381,065.82 - Step 4: Simplify right side
7,823,204,716.15x = 50,229,476,615,346,151,424 - Step 5: Solve for x
x = 50,229,476,615,346,151,424/7,823,204,716.15 - Step 6: Final answer
x = 6,420,575,510.65
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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.