Finding the Fourth Proportional to 264,384,175.81, 396,643,535.84 and 155,301,602.17
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Solution
The fourth proportional to 264,384,175.81, 396,643,535.84 and 155,301,602.17 is: 232,991,919.49
Step by Step Solution
- Step 1: Write the proportion equation
264,384,175.81 : 396,643,535.84 = 155,301,602.17 : x - Step 2: Convert to fraction form
264,384,175.81/396,643,535.84 = 155,301,602.17/x - Step 3: Cross multiply
264,384,175.81x = 396,643,535.84 × 155,301,602.17 - Step 4: Simplify right side
264,384,175.81x = 61,599,376,605,549,304 - Step 5: Solve for x
x = 61,599,376,605,549,304/264,384,175.81 - Step 6: Final answer
x = 232,991,919.49
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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.