Finding the Fourth Proportional to 8,615,162,220.67, 11,888,923,887.41 and 4,654,863,888.67
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Solution
The fourth proportional to 8,615,162,220.67, 11,888,923,887.41 and 4,654,863,888.67 is: 6,423,712,178.73
Step by Step Solution
- Step 1: Write the proportion equation
8,615,162,220.67 : 11,888,923,887.41 = 4,654,863,888.67 : x - Step 2: Convert to fraction form
8,615,162,220.67/11,888,923,887.41 = 4,654,863,888.67/x - Step 3: Cross multiply
8,615,162,220.67x = 11,888,923,887.41 × 4,654,863,888.67 - Step 4: Simplify right side
8,615,162,220.67x = 55,341,322,478,650,966,016 - Step 5: Solve for x
x = 55,341,322,478,650,966,016/8,615,162,220.67 - Step 6: Final answer
x = 6,423,712,178.73
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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.