Finding the Fourth Proportional to 1,457,481,344,546.20, 2,010,355,781,935.30 and 937,294,413,730.80
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Solution
The fourth proportional to 1,457,481,344,546.20, 2,010,355,781,935.30 and 937,294,413,730.80 is: 1,292,843,473,482.72
Step by Step Solution
- Step 1: Write the proportion equation
1,457,481,344,546.20 : 2,010,355,781,935.30 = 937,294,413,730.80 : x - Step 2: Convert to fraction form
1,457,481,344,546.20/2,010,355,781,935.30 = 937,294,413,730.80/x - Step 3: Cross multiply
1,457,481,344,546.20x = 2,010,355,781,935.30 × 937,294,413,730.80 - Step 4: Simplify right side
1,457,481,344,546.20x = 1,884,295,244,019,371,058,659,328 - Step 5: Solve for x
x = 1,884,295,244,019,371,058,659,328/1,457,481,344,546.20 - Step 6: Final answer
x = 1,292,843,473,482.72
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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.