Finding the Fourth Proportional to 5,118,556,610.43, 7,063,634,242.71 and 2,860,533,823.68
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Solution
The fourth proportional to 5,118,556,610.43, 7,063,634,242.71 and 2,860,533,823.68 is: 3,947,551,274.16
Step by Step Solution
- Step 1: Write the proportion equation
5,118,556,610.43 : 7,063,634,242.71 = 2,860,533,823.68 : x - Step 2: Convert to fraction form
5,118,556,610.43/7,063,634,242.71 = 2,860,533,823.68/x - Step 3: Cross multiply
5,118,556,610.43x = 7,063,634,242.71 × 2,860,533,823.68 - Step 4: Simplify right side
5,118,556,610.43x = 20,205,764,669,376,217,088 - Step 5: Solve for x
x = 20,205,764,669,376,217,088/5,118,556,610.43 - Step 6: Final answer
x = 3,947,551,274.16
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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.