Finding the Fourth Proportional to 351,026,423.80, 526,539,635.70 and 169,627,895.80
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Solution
The fourth proportional to 351,026,423.80, 526,539,635.70 and 169,627,895.80 is: 254,441,843.70
Step by Step Solution
- Step 1: Write the proportion equation
351,026,423.80 : 526,539,635.70 = 169,627,895.80 : x - Step 2: Convert to fraction form
351,026,423.80/526,539,635.70 = 169,627,895.80/x - Step 3: Cross multiply
351,026,423.80x = 526,539,635.70 × 169,627,895.80 - Step 4: Simplify right side
351,026,423.80x = 89,315,810,459,089,568 - Step 5: Solve for x
x = 89,315,810,459,089,568/351,026,423.80 - Step 6: Final answer
x = 254,441,843.70
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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.