Finding the Fourth Proportional to 2,947,394,215,343, 4,421,181,390,858.50 and 1,011,183,936,959.10
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Solution
The fourth proportional to 2,947,394,215,343, 4,421,181,390,858.50 and 1,011,183,936,959.10 is: 1,516,806,805,667.95
Step by Step Solution
- Step 1: Write the proportion equation
2,947,394,215,343 : 4,421,181,390,858.50 = 1,011,183,936,959.10 : x - Step 2: Convert to fraction form
2,947,394,215,343/4,421,181,390,858.50 = 1,011,183,936,959.10/x - Step 3: Cross multiply
2,947,394,215,343x = 4,421,181,390,858.50 × 1,011,183,936,959.10 - Step 4: Simplify right side
2,947,394,215,343x = 4,470,627,604,818,607,411,822,592 - Step 5: Solve for x
x = 4,470,627,604,818,607,411,822,592/2,947,394,215,343 - Step 6: Final answer
x = 1,516,806,805,667.95
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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.