Finding the Fourth Proportional to 21,160,561,140.57, 29,201,579,140.48 and 11,645,112,889.98
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Solution
The fourth proportional to 21,160,561,140.57, 29,201,579,140.48 and 11,645,112,889.98 is: 16,070,258,411.28
Step by Step Solution
- Step 1: Write the proportion equation
21,160,561,140.57 : 29,201,579,140.48 = 11,645,112,889.98 : x - Step 2: Convert to fraction form
21,160,561,140.57/29,201,579,140.48 = 11,645,112,889.98/x - Step 3: Cross multiply
21,160,561,140.57x = 29,201,579,140.48 × 11,645,112,889.98 - Step 4: Simplify right side
21,160,561,140.57x = 340,055,685,656,574,689,280 - Step 5: Solve for x
x = 340,055,685,656,574,689,280/21,160,561,140.57 - Step 6: Final answer
x = 16,070,258,411.28
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1.5x scale
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.