Finding the Fourth Proportional to 2,924,745,958.77, 4,386,964,426.43 and 959,340,147.09
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Solution
The fourth proportional to 2,924,745,958.77, 4,386,964,426.43 and 959,340,147.09 is: 1,438,959,539.55
Step by Step Solution
- Step 1: Write the proportion equation
2,924,745,958.77 : 4,386,964,426.43 = 959,340,147.09 : x - Step 2: Convert to fraction form
2,924,745,958.77/4,386,964,426.43 = 959,340,147.09/x - Step 3: Cross multiply
2,924,745,958.77x = 4,386,964,426.43 × 959,340,147.09 - Step 4: Simplify right side
2,924,745,958.77x = 4,208,591,098,125,157,376 - Step 5: Solve for x
x = 4,208,591,098,125,157,376/2,924,745,958.77 - Step 6: Final answer
x = 1,438,959,539.55
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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.