Finding the Fourth Proportional to 769,706,013.58, 1,062,202,622.42 and 452,179,643.74
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Solution
The fourth proportional to 769,706,013.58, 1,062,202,622.42 and 452,179,643.74 is: 624,012,798.28
Step by Step Solution
- Step 1: Write the proportion equation
769,706,013.58 : 1,062,202,622.42 = 452,179,643.74 : x - Step 2: Convert to fraction form
769,706,013.58/1,062,202,622.42 = 452,179,643.74/x - Step 3: Cross multiply
769,706,013.58x = 1,062,202,622.42 × 452,179,643.74 - Step 4: Simplify right side
769,706,013.58x = 480,306,403,384,065,536 - Step 5: Solve for x
x = 480,306,403,384,065,536/769,706,013.58 - Step 6: Final answer
x = 624,012,798.28
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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.