Finding the Fourth Proportional to 313,129,331.30, 469,691,006.16 and 190,341,550.36
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Solution
The fourth proportional to 313,129,331.30, 469,691,006.16 and 190,341,550.36 is: 285,510,507.53
Step by Step Solution
- Step 1: Write the proportion equation
313,129,331.30 : 469,691,006.16 = 190,341,550.36 : x - Step 2: Convert to fraction form
313,129,331.30/469,691,006.16 = 190,341,550.36/x - Step 3: Cross multiply
313,129,331.30x = 469,691,006.16 × 190,341,550.36 - Step 4: Simplify right side
313,129,331.30x = 89,401,714,302,642,720 - Step 5: Solve for x
x = 89,401,714,302,642,720/313,129,331.30 - Step 6: Final answer
x = 285,510,507.53
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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.