Finding the Fourth Proportional to 3,129,124,609,135.70, 4,693,686,913,703.60 and 3,129,124,609,135.70
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Solution
The fourth proportional to 3,129,124,609,135.70, 4,693,686,913,703.60 and 3,129,124,609,135.70 is: 4,693,686,913,703.60
Step by Step Solution
- Step 1: Write the proportion equation
3,129,124,609,135.70 : 4,693,686,913,703.60 = 3,129,124,609,135.70 : x - Step 2: Convert to fraction form
3,129,124,609,135.70/4,693,686,913,703.60 = 3,129,124,609,135.70/x - Step 3: Cross multiply
3,129,124,609,135.70x = 4,693,686,913,703.60 × 3,129,124,609,135.70 - Step 4: Simplify right side
3,129,124,609,135.70x = 14,687,131,229,248,127,590,465,536 - Step 5: Solve for x
x = 14,687,131,229,248,127,590,465,536/3,129,124,609,135.70 - Step 6: Final answer
x = 4,693,686,913,703.60
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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.