Finding the Fourth Proportional to 1,019,448,220.70, 1,526,904,849.45 and 838,049,692.70
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Solution
The fourth proportional to 1,019,448,220.70, 1,526,904,849.45 and 838,049,692.70 is: 1,255,210,528.48
Step by Step Solution
- Step 1: Write the proportion equation
1,019,448,220.70 : 1,526,904,849.45 = 838,049,692.70 : x - Step 2: Convert to fraction form
1,019,448,220.70/1,526,904,849.45 = 838,049,692.70/x - Step 3: Cross multiply
1,019,448,220.70x = 1,526,904,849.45 × 838,049,692.70 - Step 4: Simplify right side
1,019,448,220.70x = 1,279,622,139,863,712,256 - Step 5: Solve for x
x = 1,279,622,139,863,712,256/1,019,448,220.70 - Step 6: Final answer
x = 1,255,210,528.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.