Finding the Fourth Proportional to 13,266,219,528,021, 19,899,329,292,032 and 13,266,219,528,021
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Solution
The fourth proportional to 13,266,219,528,021, 19,899,329,292,032 and 13,266,219,528,021 is: 19,899,329,292,032
Step by Step Solution
- Step 1: Write the proportion equation
13,266,219,528,021 : 19,899,329,292,032 = 13,266,219,528,021 : x - Step 2: Convert to fraction form
13,266,219,528,021/19,899,329,292,032 = 13,266,219,528,021/x - Step 3: Cross multiply
13,266,219,528,021x = 19,899,329,292,032 × 13,266,219,528,021 - Step 4: Simplify right side
13,266,219,528,021x = 263,988,870,848,475,211,155,636,224 - Step 5: Solve for x
x = 263,988,870,848,475,211,155,636,224/13,266,219,528,021 - Step 6: Final answer
x = 19,899,329,292,032
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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.