Finding the Fourth Proportional to 408,929,198.99, 613,178,564.85 and 279,573,802.38
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Solution
The fourth proportional to 408,929,198.99, 613,178,564.85 and 279,573,802.38 is: 419,213,554.18
Step by Step Solution
- Step 1: Write the proportion equation
408,929,198.99 : 613,178,564.85 = 279,573,802.38 : x - Step 2: Convert to fraction form
408,929,198.99/613,178,564.85 = 279,573,802.38/x - Step 3: Cross multiply
408,929,198.99x = 613,178,564.85 × 279,573,802.38 - Step 4: Simplify right side
408,929,198.99x = 171,428,662,913,025,920 - Step 5: Solve for x
x = 171,428,662,913,025,920/408,929,198.99 - Step 6: Final answer
x = 419,213,554.18
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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.