Finding the Fourth Proportional to 1,131,226,578.44, 1,697,084,101.64 and 344,341,763.49
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Solution
The fourth proportional to 1,131,226,578.44, 1,697,084,101.64 and 344,341,763.49 is: 516,586,989.28
Step by Step Solution
- Step 1: Write the proportion equation
1,131,226,578.44 : 1,697,084,101.64 = 344,341,763.49 : x - Step 2: Convert to fraction form
1,131,226,578.44/1,697,084,101.64 = 344,341,763.49/x - Step 3: Cross multiply
1,131,226,578.44x = 1,697,084,101.64 × 344,341,763.49 - Step 4: Simplify right side
1,131,226,578.44x = 584,376,932,347,838,336 - Step 5: Solve for x
x = 584,376,932,347,838,336/1,131,226,578.44 - Step 6: Final answer
x = 516,586,989.28
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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.