Finding the Fourth Proportional to 8,961,912,193.20, 13,442,868,289.80 and 8,961,912,193.20
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Solution
The fourth proportional to 8,961,912,193.20, 13,442,868,289.80 and 8,961,912,193.20 is: 13,442,868,289.80
Step by Step Solution
- Step 1: Write the proportion equation
8,961,912,193.20 : 13,442,868,289.80 = 8,961,912,193.20 : x - Step 2: Convert to fraction form
8,961,912,193.20/13,442,868,289.80 = 8,961,912,193.20/x - Step 3: Cross multiply
8,961,912,193.20x = 13,442,868,289.80 × 8,961,912,193.20 - Step 4: Simplify right side
8,961,912,193.20x = 120,473,805,237,940,256,768 - Step 5: Solve for x
x = 120,473,805,237,940,256,768/8,961,912,193.20 - Step 6: Final answer
x = 13,442,868,289.80
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Double scale
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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.