Finding the Fourth Proportional to 399,417,487.80, 599,126,231.70 and 184,426,639.80
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Solution
The fourth proportional to 399,417,487.80, 599,126,231.70 and 184,426,639.80 is: 276,639,959.70
Step by Step Solution
- Step 1: Write the proportion equation
399,417,487.80 : 599,126,231.70 = 184,426,639.80 : x - Step 2: Convert to fraction form
399,417,487.80/599,126,231.70 = 184,426,639.80/x - Step 3: Cross multiply
399,417,487.80x = 599,126,231.70 × 184,426,639.80 - Step 4: Simplify right side
399,417,487.80x = 110,494,837,728,467,264 - Step 5: Solve for x
x = 110,494,837,728,467,264/399,417,487.80 - Step 6: Final answer
x = 276,639,959.70
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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.