Finding the Fourth Proportional to 84,490,272,025.80, 126,735,408,038.70 and 84,490,272,025.80
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Solution
The fourth proportional to 84,490,272,025.80, 126,735,408,038.70 and 84,490,272,025.80 is: 126,735,408,038.70
Step by Step Solution
- Step 1: Write the proportion equation
84,490,272,025.80 : 126,735,408,038.70 = 84,490,272,025.80 : x - Step 2: Convert to fraction form
84,490,272,025.80/126,735,408,038.70 = 84,490,272,025.80/x - Step 3: Cross multiply
84,490,272,025.80x = 126,735,408,038.70 × 84,490,272,025.80 - Step 4: Simplify right side
84,490,272,025.80x = 10,707,909,100,490,524,196,864 - Step 5: Solve for x
x = 10,707,909,100,490,524,196,864/84,490,272,025.80 - Step 6: Final answer
x = 126,735,408,038.70
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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.