Finding the Fourth Proportional to 19,885,556,668.68, 29,832,264,429.12 and 7,294,532,032.49
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Solution
The fourth proportional to 19,885,556,668.68, 29,832,264,429.12 and 7,294,532,032.49 is: 10,943,239,462.97
Step by Step Solution
- Step 1: Write the proportion equation
19,885,556,668.68 : 29,832,264,429.12 = 7,294,532,032.49 : x - Step 2: Convert to fraction form
19,885,556,668.68/29,832,264,429.12 = 7,294,532,032.49/x - Step 3: Cross multiply
19,885,556,668.68x = 29,832,264,429.12 × 7,294,532,032.49 - Step 4: Simplify right side
19,885,556,668.68x = 217,612,408,479,778,668,544 - Step 5: Solve for x
x = 217,612,408,479,778,668,544/19,885,556,668.68 - Step 6: Final answer
x = 10,943,239,462.97
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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.