Finding the Fourth Proportional to 5,402,609,163.24, 7,455,833,654.58 and 2,991,291,636.25
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Solution
The fourth proportional to 5,402,609,163.24, 7,455,833,654.58 and 2,991,291,636.25 is: 4,128,111,469.54
Step by Step Solution
- Step 1: Write the proportion equation
5,402,609,163.24 : 7,455,833,654.58 = 2,991,291,636.25 : x - Step 2: Convert to fraction form
5,402,609,163.24/7,455,833,654.58 = 2,991,291,636.25/x - Step 3: Cross multiply
5,402,609,163.24x = 7,455,833,654.58 × 2,991,291,636.25 - Step 4: Simplify right side
5,402,609,163.24x = 22,302,572,852,216,426,496 - Step 5: Solve for x
x = 22,302,572,852,216,426,496/5,402,609,163.24 - Step 6: Final answer
x = 4,128,111,469.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.