Finding the Fourth Proportional to 2,963,531,968.91, 4,445,559,246.84 and 836,396,612.52
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Solution
The fourth proportional to 2,963,531,968.91, 4,445,559,246.84 and 836,396,612.52 is: 1,254,668,663.54
Step by Step Solution
- Step 1: Write the proportion equation
2,963,531,968.91 : 4,445,559,246.84 = 836,396,612.52 : x - Step 2: Convert to fraction form
2,963,531,968.91/4,445,559,246.84 = 836,396,612.52/x - Step 3: Cross multiply
2,963,531,968.91x = 4,445,559,246.84 × 836,396,612.52 - Step 4: Simplify right side
2,963,531,968.91x = 3,718,250,694,797,267,968 - Step 5: Solve for x
x = 3,718,250,694,797,267,968/2,963,531,968.91 - Step 6: Final answer
x = 1,254,668,663.54
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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.