Finding the Fourth Proportional to 1,722,129,952,577.50, 2,376,540,288,064.20 and 930,204,045,672.05
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Solution
The fourth proportional to 1,722,129,952,577.50, 2,376,540,288,064.20 and 930,204,045,672.05 is: 1,283,682,098,061.91
Step by Step Solution
- Step 1: Write the proportion equation
1,722,129,952,577.50 : 2,376,540,288,064.20 = 930,204,045,672.05 : x - Step 2: Convert to fraction form
1,722,129,952,577.50/2,376,540,288,064.20 = 930,204,045,672.05/x - Step 3: Cross multiply
1,722,129,952,577.50x = 2,376,540,288,064.20 × 930,204,045,672.05 - Step 4: Simplify right side
1,722,129,952,577.50x = 2,210,667,390,659,938,213,691,392 - Step 5: Solve for x
x = 2,210,667,390,659,938,213,691,392/1,722,129,952,577.50 - Step 6: Final answer
x = 1,283,682,098,061.91
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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.