Finding the Fourth Proportional to 1,897,219,425.38, 2,618,244,625.08 and 1,050,446,763.95
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Solution
The fourth proportional to 1,897,219,425.38, 2,618,244,625.08 and 1,050,446,763.95 is: 1,449,661,835.03
Step by Step Solution
- Step 1: Write the proportion equation
1,897,219,425.38 : 2,618,244,625.08 = 1,050,446,763.95 : x - Step 2: Convert to fraction form
1,897,219,425.38/2,618,244,625.08 = 1,050,446,763.95/x - Step 3: Cross multiply
1,897,219,425.38x = 2,618,244,625.08 × 1,050,446,763.95 - Step 4: Simplify right side
1,897,219,425.38x = 2,750,326,593,644,767,232 - Step 5: Solve for x
x = 2,750,326,593,644,767,232/1,897,219,425.38 - Step 6: Final answer
x = 1,449,661,835.03
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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.