Finding the Fourth Proportional to 621,561,801.88, 857,775,588.24 and 339,319,292.05
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Solution
The fourth proportional to 621,561,801.88, 857,775,588.24 and 339,319,292.05 is: 468,271,705.98
Step by Step Solution
- Step 1: Write the proportion equation
621,561,801.88 : 857,775,588.24 = 339,319,292.05 : x - Step 2: Convert to fraction form
621,561,801.88/857,775,588.24 = 339,319,292.05/x - Step 3: Cross multiply
621,561,801.88x = 857,775,588.24 × 339,319,292.05 - Step 4: Simplify right side
621,561,801.88x = 291,059,805,339,369,088 - Step 5: Solve for x
x = 291,059,805,339,369,088/621,561,801.88 - Step 6: Final answer
x = 468,271,705.98
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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.