Finding the Fourth Proportional to 310,126,726.80, 464,908,529.00 and 154,728,063.99
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Solution
The fourth proportional to 310,126,726.80, 464,908,529.00 and 154,728,063.99 is: 231,951,619.80
Step by Step Solution
- Step 1: Write the proportion equation
310,126,726.80 : 464,908,529.00 = 154,728,063.99 : x - Step 2: Convert to fraction form
310,126,726.80/464,908,529.00 = 154,728,063.99/x - Step 3: Cross multiply
310,126,726.80x = 464,908,529.00 × 154,728,063.99 - Step 4: Simplify right side
310,126,726.80x = 71,934,396,623,835,136 - Step 5: Solve for x
x = 71,934,396,623,835,136/310,126,726.80 - Step 6: Final answer
x = 231,951,619.80
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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.