Finding the Fourth Proportional to 2,212,170,516.48, 3,315,937,911.84 and 1,030,776,998.52
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Solution
The fourth proportional to 2,212,170,516.48, 3,315,937,911.84 and 1,030,776,998.52 is: 1,545,085,472.65
Step by Step Solution
- Step 1: Write the proportion equation
2,212,170,516.48 : 3,315,937,911.84 = 1,030,776,998.52 : x - Step 2: Convert to fraction form
2,212,170,516.48/3,315,937,911.84 = 1,030,776,998.52/x - Step 3: Cross multiply
2,212,170,516.48x = 3,315,937,911.84 × 1,030,776,998.52 - Step 4: Simplify right side
2,212,170,516.48x = 3,417,992,528,045,111,808 - Step 5: Solve for x
x = 3,417,992,528,045,111,808/2,212,170,516.48 - Step 6: Final answer
x = 1,545,085,472.65
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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.