Finding the Fourth Proportional to 1,062,574,974.29, 1,466,823,722.37 and 686,415,013.76
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Solution
The fourth proportional to 1,062,574,974.29, 1,466,823,722.37 and 686,415,013.76 is: 947,556,501.83
Step by Step Solution
- Step 1: Write the proportion equation
1,062,574,974.29 : 1,466,823,722.37 = 686,415,013.76 : x - Step 2: Convert to fraction form
1,062,574,974.29/1,466,823,722.37 = 686,415,013.76/x - Step 3: Cross multiply
1,062,574,974.29x = 1,466,823,722.37 × 686,415,013.76 - Step 4: Simplify right side
1,062,574,974.29x = 1,006,849,825,566,763,776 - Step 5: Solve for x
x = 1,006,849,825,566,763,776/1,062,574,974.29 - Step 6: Final answer
x = 947,556,501.83
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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.