Finding the Fourth Proportional to 511,084,601.74, 705,878,533.84 and 343,529,966.44
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Solution
The fourth proportional to 511,084,601.74, 705,878,533.84 and 343,529,966.44 is: 474,462,404.49
Step by Step Solution
- Step 1: Write the proportion equation
511,084,601.74 : 705,878,533.84 = 343,529,966.44 : x - Step 2: Convert to fraction form
511,084,601.74/705,878,533.84 = 343,529,966.44/x - Step 3: Cross multiply
511,084,601.74x = 705,878,533.84 × 343,529,966.44 - Step 4: Simplify right side
511,084,601.74x = 242,490,429,040,771,616 - Step 5: Solve for x
x = 242,490,429,040,771,616/511,084,601.74 - Step 6: Final answer
x = 474,462,404.49
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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.