Finding the Fourth Proportional to 1,181,954,252.40, 1,772,931,378.60 and 363,960,265.20
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Solution
The fourth proportional to 1,181,954,252.40, 1,772,931,378.60 and 363,960,265.20 is: 545,940,397.80
Step by Step Solution
- Step 1: Write the proportion equation
1,181,954,252.40 : 1,772,931,378.60 = 363,960,265.20 : x - Step 2: Convert to fraction form
1,181,954,252.40/1,772,931,378.60 = 363,960,265.20/x - Step 3: Cross multiply
1,181,954,252.40x = 1,772,931,378.60 × 363,960,265.20 - Step 4: Simplify right side
1,181,954,252.40x = 645,276,574,736,657,536 - Step 5: Solve for x
x = 645,276,574,736,657,536/1,181,954,252.40 - Step 6: Final answer
x = 545,940,397.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.