Finding the Fourth Proportional to 693,482,934.84, 1,040,243,336.82 and 202,184,331.40
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Solution
The fourth proportional to 693,482,934.84, 1,040,243,336.82 and 202,184,331.40 is: 303,282,017.45
Step by Step Solution
- Step 1: Write the proportion equation
693,482,934.84 : 1,040,243,336.82 = 202,184,331.40 : x - Step 2: Convert to fraction form
693,482,934.84/1,040,243,336.82 = 202,184,331.40/x - Step 3: Cross multiply
693,482,934.84x = 1,040,243,336.82 × 202,184,331.40 - Step 4: Simplify right side
693,482,934.84x = 210,320,903,548,256,704 - Step 5: Solve for x
x = 210,320,903,548,256,704/693,482,934.84 - Step 6: Final answer
x = 303,282,017.45
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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.