Finding the Fourth Proportional to 292,263,733.46, 403,320,740.99 and 158,298,316.76
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Solution
The fourth proportional to 292,263,733.46, 403,320,740.99 and 158,298,316.76 is: 218,449,937.85
Step by Step Solution
- Step 1: Write the proportion equation
292,263,733.46 : 403,320,740.99 = 158,298,316.76 : x - Step 2: Convert to fraction form
292,263,733.46/403,320,740.99 = 158,298,316.76/x - Step 3: Cross multiply
292,263,733.46x = 403,320,740.99 × 158,298,316.76 - Step 4: Simplify right side
292,263,733.46x = 63,844,994,410,304,840 - Step 5: Solve for x
x = 63,844,994,410,304,840/292,263,733.46 - Step 6: Final answer
x = 218,449,937.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.