Finding the Fourth Proportional to 697,310,465.52, 962,268,787.70 and 379,763,543.94
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Solution
The fourth proportional to 697,310,465.52, 962,268,787.70 and 379,763,543.94 is: 524,062,986.45
Step by Step Solution
- Step 1: Write the proportion equation
697,310,465.52 : 962,268,787.70 = 379,763,543.94 : x - Step 2: Convert to fraction form
697,310,465.52/962,268,787.70 = 379,763,543.94/x - Step 3: Cross multiply
697,310,465.52x = 962,268,787.70 × 379,763,543.94 - Step 4: Simplify right side
697,310,465.52x = 365,434,605,039,799,488 - Step 5: Solve for x
x = 365,434,605,039,799,488/697,310,465.52 - Step 6: Final answer
x = 524,062,986.45
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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.