Finding the Fourth Proportional to 351,026,430.80, 526,539,646.20 and 169,627,902.80
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Solution
The fourth proportional to 351,026,430.80, 526,539,646.20 and 169,627,902.80 is: 254,441,854.20
Step by Step Solution
- Step 1: Write the proportion equation
351,026,430.80 : 526,539,646.20 = 169,627,902.80 : x - Step 2: Convert to fraction form
351,026,430.80/526,539,646.20 = 169,627,902.80/x - Step 3: Cross multiply
351,026,430.80x = 526,539,646.20 × 169,627,902.80 - Step 4: Simplify right side
351,026,430.80x = 89,315,815,925,960,000 - Step 5: Solve for x
x = 89,315,815,925,960,000/351,026,430.80 - Step 6: Final answer
x = 254,441,854.20
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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.