Finding the Fourth Proportional to 1,255,821,647.43, 1,883,752,447.58 and 699,121,889.12
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Solution
The fourth proportional to 1,255,821,647.43, 1,883,752,447.58 and 699,121,889.12 is: 1,048,693,954.65
Step by Step Solution
- Step 1: Write the proportion equation
1,255,821,647.43 : 1,883,752,447.58 = 699,121,889.12 : x - Step 2: Convert to fraction form
1,255,821,647.43/1,883,752,447.58 = 699,121,889.12/x - Step 3: Cross multiply
1,255,821,647.43x = 1,883,752,447.58 × 699,121,889.12 - Step 4: Simplify right side
1,255,821,647.43x = 1,316,972,569,773,639,168 - Step 5: Solve for x
x = 1,316,972,569,773,639,168/1,255,821,647.43 - Step 6: Final answer
x = 1,048,693,954.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.