Finding the Fourth Proportional to 2,113,598,680.74, 2,916,832,901.87 and 1,266,546,828.26
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Solution
The fourth proportional to 2,113,598,680.74, 2,916,832,901.87 and 1,266,546,828.26 is: 1,747,874,605.57
Step by Step Solution
- Step 1: Write the proportion equation
2,113,598,680.74 : 2,916,832,901.87 = 1,266,546,828.26 : x - Step 2: Convert to fraction form
2,113,598,680.74/2,916,832,901.87 = 1,266,546,828.26/x - Step 3: Cross multiply
2,113,598,680.74x = 2,916,832,901.87 × 1,266,546,828.26 - Step 4: Simplify right side
2,113,598,680.74x = 3,694,305,460,438,192,128 - Step 5: Solve for x
x = 3,694,305,460,438,192,128/2,113,598,680.74 - Step 6: Final answer
x = 1,747,874,605.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.