Finding the Fourth Proportional to 1,517,862,688.95, 2,094,656,135.54 and 882,935,528.03
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Solution
The fourth proportional to 1,517,862,688.95, 2,094,656,135.54 and 882,935,528.03 is: 1,218,454,300.59
Step by Step Solution
- Step 1: Write the proportion equation
1,517,862,688.95 : 2,094,656,135.54 = 882,935,528.03 : x - Step 2: Convert to fraction form
1,517,862,688.95/2,094,656,135.54 = 882,935,528.03/x - Step 3: Cross multiply
1,517,862,688.95x = 2,094,656,135.54 × 882,935,528.03 - Step 4: Simplify right side
1,517,862,688.95x = 1,849,446,321,059,401,216 - Step 5: Solve for x
x = 1,849,446,321,059,401,216/1,517,862,688.95 - Step 6: Final answer
x = 1,218,454,300.59
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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.