Finding the Fourth Proportional to 2,214,343,032.20, 3,321,992,845.20 and 661,791,294.80
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Solution
The fourth proportional to 2,214,343,032.20, 3,321,992,845.20 and 661,791,294.80 is: 992,829,888.76
Step by Step Solution
- Step 1: Write the proportion equation
2,214,343,032.20 : 3,321,992,845.20 = 661,791,294.80 : x - Step 2: Convert to fraction form
2,214,343,032.20/3,321,992,845.20 = 661,791,294.80/x - Step 3: Cross multiply
2,214,343,032.20x = 3,321,992,845.20 × 661,791,294.80 - Step 4: Simplify right side
2,214,343,032.20x = 2,198,465,946,341,243,648 - Step 5: Solve for x
x = 2,198,465,946,341,243,648/2,214,343,032.20 - Step 6: Final answer
x = 992,829,888.76
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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.