Finding the Fourth Proportional to 662,164,691.10, 913,828,548.98 and 364,806,871.75
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Solution
The fourth proportional to 662,164,691.10, 913,828,548.98 and 364,806,871.75 is: 503,456,222.82
Step by Step Solution
- Step 1: Write the proportion equation
662,164,691.10 : 913,828,548.98 = 364,806,871.75 : x - Step 2: Convert to fraction form
662,164,691.10/913,828,548.98 = 364,806,871.75/x - Step 3: Cross multiply
662,164,691.10x = 913,828,548.98 × 364,806,871.75 - Step 4: Simplify right side
662,164,691.10x = 333,370,934,270,026,432 - Step 5: Solve for x
x = 333,370,934,270,026,432/662,164,691.10 - Step 6: Final answer
x = 503,456,222.82
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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.