Finding the Fourth Proportional to 1,943,068,744.83, 2,914,611,655.95 and 615,103,307.70
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Solution
The fourth proportional to 1,943,068,744.83, 2,914,611,655.95 and 615,103,307.70 is: 922,657,664.59
Step by Step Solution
- Step 1: Write the proportion equation
1,943,068,744.83 : 2,914,611,655.95 = 615,103,307.70 : x - Step 2: Convert to fraction form
1,943,068,744.83/2,914,611,655.95 = 615,103,307.70/x - Step 3: Cross multiply
1,943,068,744.83x = 2,914,611,655.95 × 615,103,307.70 - Step 4: Simplify right side
1,943,068,744.83x = 1,792,787,270,235,819,520 - Step 5: Solve for x
x = 1,792,787,270,235,819,520/1,943,068,744.83 - Step 6: Final answer
x = 922,657,664.59
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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.