Finding the Fourth Proportional to 2,640,805,637.80, 3,961,208,456.70 and 1,416,365,573.80
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Solution
The fourth proportional to 2,640,805,637.80, 3,961,208,456.70 and 1,416,365,573.80 is: 2,124,548,360.70
Step by Step Solution
- Step 1: Write the proportion equation
2,640,805,637.80 : 3,961,208,456.70 = 1,416,365,573.80 : x - Step 2: Convert to fraction form
2,640,805,637.80/3,961,208,456.70 = 1,416,365,573.80/x - Step 3: Cross multiply
2,640,805,637.80x = 3,961,208,456.70 × 1,416,365,573.80 - Step 4: Simplify right side
2,640,805,637.80x = 5,610,519,288,715,307,008 - Step 5: Solve for x
x = 5,610,519,288,715,307,008/2,640,805,637.80 - Step 6: Final answer
x = 2,124,548,360.70
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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.