Finding the Fourth Proportional to 2,164,058,056.24, 2,986,148,174.64 and 1,211,490,955.28
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Solution
The fourth proportional to 2,164,058,056.24, 2,986,148,174.64 and 1,211,490,955.28 is: 1,671,716,474.64
Step by Step Solution
- Step 1: Write the proportion equation
2,164,058,056.24 : 2,986,148,174.64 = 1,211,490,955.28 : x - Step 2: Convert to fraction form
2,164,058,056.24/2,986,148,174.64 = 1,211,490,955.28/x - Step 3: Cross multiply
2,164,058,056.24x = 2,986,148,174.64 × 1,211,490,955.28 - Step 4: Simplify right side
2,164,058,056.24x = 3,617,691,504,702,241,792 - Step 5: Solve for x
x = 3,617,691,504,702,241,792/2,164,058,056.24 - Step 6: Final answer
x = 1,671,716,474.64
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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.