Finding the Fourth Proportional to 304,724,419.76, 420,545,633.64 and 172,588,922
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Solution
The fourth proportional to 304,724,419.76, 420,545,633.64 and 172,588,922 is: 238,187,400.99
Step by Step Solution
- Step 1: Write the proportion equation
304,724,419.76 : 420,545,633.64 = 172,588,922 : x - Step 2: Convert to fraction form
304,724,419.76/420,545,633.64 = 172,588,922/x - Step 3: Cross multiply
304,724,419.76x = 420,545,633.64 × 172,588,922 - Step 4: Simplify right side
304,724,419.76x = 72,581,517,561,734,528 - Step 5: Solve for x
x = 72,581,517,561,734,528/304,724,419.76 - Step 6: Final answer
x = 238,187,400.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.