Finding the Fourth Proportional to 19,579,394,427.80, 29,369,091,641.70 and 19,579,394,427.80
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Solution
The fourth proportional to 19,579,394,427.80, 29,369,091,641.70 and 19,579,394,427.80 is: 29,369,091,641.70
Step by Step Solution
- Step 1: Write the proportion equation
19,579,394,427.80 : 29,369,091,641.70 = 19,579,394,427.80 : x - Step 2: Convert to fraction form
19,579,394,427.80/29,369,091,641.70 = 19,579,394,427.80/x - Step 3: Cross multiply
19,579,394,427.80x = 29,369,091,641.70 × 19,579,394,427.80 - Step 4: Simplify right side
19,579,394,427.80x = 575,029,029,239,048,503,296 - Step 5: Solve for x
x = 575,029,029,239,048,503,296/19,579,394,427.80 - Step 6: Final answer
x = 29,369,091,641.70
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1.5x scale
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.