Finding the Fourth Proportional to 7,467,793,210.80, 11,201,689,816.20 and 3,748,556,516.40
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Solution
The fourth proportional to 7,467,793,210.80, 11,201,689,816.20 and 3,748,556,516.40 is: 5,622,834,774.60
Step by Step Solution
- Step 1: Write the proportion equation
7,467,793,210.80 : 11,201,689,816.20 = 3,748,556,516.40 : x - Step 2: Convert to fraction form
7,467,793,210.80/11,201,689,816.20 = 3,748,556,516.40/x - Step 3: Cross multiply
7,467,793,210.80x = 11,201,689,816.20 × 3,748,556,516.40 - Step 4: Simplify right side
7,467,793,210.80x = 41,990,167,355,208,032,256 - Step 5: Solve for x
x = 41,990,167,355,208,032,256/7,467,793,210.80 - Step 6: Final answer
x = 5,622,834,774.60
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Double scale
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Similar ratio
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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.