Finding the Fourth Proportional to 209,351,352,465.48, 314,118,369,212.70 and 73,311,117,360.48
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Solution
The fourth proportional to 209,351,352,465.48, 314,118,369,212.70 and 73,311,117,360.48 is: 109,998,661,863.11
Step by Step Solution
- Step 1: Write the proportion equation
209,351,352,465.48 : 314,118,369,212.70 = 73,311,117,360.48 : x - Step 2: Convert to fraction form
209,351,352,465.48/314,118,369,212.70 = 73,311,117,360.48/x - Step 3: Cross multiply
209,351,352,465.48x = 314,118,369,212.70 × 73,311,117,360.48 - Step 4: Simplify right side
209,351,352,465.48x = 23,028,368,630,434,838,347,776 - Step 5: Solve for x
x = 23,028,368,630,434,838,347,776/209,351,352,465.48 - Step 6: Final answer
x = 109,998,661,863.11
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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.