Finding the Fourth Proportional to 2,963,531,979.28, 4,445,559,262.39 and 836,396,622.87
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Solution
The fourth proportional to 2,963,531,979.28, 4,445,559,262.39 and 836,396,622.87 is: 1,254,668,679.07
Step by Step Solution
- Step 1: Write the proportion equation
2,963,531,979.28 : 4,445,559,262.39 = 836,396,622.87 : x - Step 2: Convert to fraction form
2,963,531,979.28/4,445,559,262.39 = 836,396,622.87/x - Step 3: Cross multiply
2,963,531,979.28x = 4,445,559,262.39 × 836,396,622.87 - Step 4: Simplify right side
2,963,531,979.28x = 3,718,250,753,831,444,480 - Step 5: Solve for x
x = 3,718,250,753,831,444,480/2,963,531,979.28 - Step 6: Final answer
x = 1,254,668,679.07
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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.