Finding the Fourth Proportional to 1,486,088,386.20, 2,227,219,391.70 and 1,139,323,133.70
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Solution
The fourth proportional to 1,486,088,386.20, 2,227,219,391.70 and 1,139,323,133.70 is: 1,707,517,937.93
Step by Step Solution
- Step 1: Write the proportion equation
1,486,088,386.20 : 2,227,219,391.70 = 1,139,323,133.70 : x - Step 2: Convert to fraction form
1,486,088,386.20/2,227,219,391.70 = 1,139,323,133.70/x - Step 3: Cross multiply
1,486,088,386.20x = 2,227,219,391.70 × 1,139,323,133.70 - Step 4: Simplify right side
1,486,088,386.20x = 2,537,522,576,789,051,904 - Step 5: Solve for x
x = 2,537,522,576,789,051,904/1,486,088,386.20 - Step 6: Final answer
x = 1,707,517,937.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.