Finding the Fourth Proportional to 1,838,068,885.82, 2,742,767,455.24 and 1,639,970,517.08
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Solution
The fourth proportional to 1,838,068,885.82, 2,742,767,455.24 and 1,639,970,517.08 is: 2,447,164,954.75
Step by Step Solution
- Step 1: Write the proportion equation
1,838,068,885.82 : 2,742,767,455.24 = 1,639,970,517.08 : x - Step 2: Convert to fraction form
1,838,068,885.82/2,742,767,455.24 = 1,639,970,517.08/x - Step 3: Cross multiply
1,838,068,885.82x = 2,742,767,455.24 × 1,639,970,517.08 - Step 4: Simplify right side
1,838,068,885.82x = 4,498,057,761,800,137,728 - Step 5: Solve for x
x = 4,498,057,761,800,137,728/1,838,068,885.82 - Step 6: Final answer
x = 2,447,164,954.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.