Finding the Fourth Proportional to 536,868,247.95, 740,866,569.86 and 310,816,764.36
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Solution
The fourth proportional to 536,868,247.95, 740,866,569.86 and 310,816,764.36 is: 428,920,411.94
Step by Step Solution
- Step 1: Write the proportion equation
536,868,247.95 : 740,866,569.86 = 310,816,764.36 : x - Step 2: Convert to fraction form
536,868,247.95/740,866,569.86 = 310,816,764.36/x - Step 3: Cross multiply
536,868,247.95x = 740,866,569.86 × 310,816,764.36 - Step 4: Simplify right side
536,868,247.95x = 230,273,750,067,154,144 - Step 5: Solve for x
x = 230,273,750,067,154,144/536,868,247.95 - Step 6: Final answer
x = 428,920,411.94
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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.