Finding the Fourth Proportional to 3,418,991,491,683, 5,128,652,166,237.40 and 1,124,205,136,889.80
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Solution
The fourth proportional to 3,418,991,491,683, 5,128,652,166,237.40 and 1,124,205,136,889.80 is: 1,686,361,935,860.49
Step by Step Solution
- Step 1: Write the proportion equation
3,418,991,491,683 : 5,128,652,166,237.40 = 1,124,205,136,889.80 : x - Step 2: Convert to fraction form
3,418,991,491,683/5,128,652,166,237.40 = 1,124,205,136,889.80/x - Step 3: Cross multiply
3,418,991,491,683x = 5,128,652,166,237.40 × 1,124,205,136,889.80 - Step 4: Simplify right side
3,418,991,491,683x = 5,765,657,110,605,086,567,956,480 - Step 5: Solve for x
x = 5,765,657,110,605,086,567,956,480/3,418,991,491,683 - Step 6: Final answer
x = 1,686,361,935,860.49
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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.