Finding the Fourth Proportional to 3,114,282,198.32, 4,671,435,416.97 and 753,439,368.68
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Solution
The fourth proportional to 3,114,282,198.32, 4,671,435,416.97 and 753,439,368.68 is: 1,130,161,985.09
Step by Step Solution
- Step 1: Write the proportion equation
3,114,282,198.32 : 4,671,435,416.97 = 753,439,368.68 : x - Step 2: Convert to fraction form
3,114,282,198.32/4,671,435,416.97 = 753,439,368.68/x - Step 3: Cross multiply
3,114,282,198.32x = 4,671,435,416.97 × 753,439,368.68 - Step 4: Simplify right side
3,114,282,198.32x = 3,519,643,351,391,269,376 - Step 5: Solve for x
x = 3,519,643,351,391,269,376/3,114,282,198.32 - Step 6: Final answer
x = 1,130,161,985.09
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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.