Finding the Fourth Proportional to 1,149,696,534.40, 1,724,544,801.60 and 331,835,516.80
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Solution
The fourth proportional to 1,149,696,534.40, 1,724,544,801.60 and 331,835,516.80 is: 497,753,275.20
Step by Step Solution
- Step 1: Write the proportion equation
1,149,696,534.40 : 1,724,544,801.60 = 331,835,516.80 : x - Step 2: Convert to fraction form
1,149,696,534.40/1,724,544,801.60 = 331,835,516.80/x - Step 3: Cross multiply
1,149,696,534.40x = 1,724,544,801.60 × 331,835,516.80 - Step 4: Simplify right side
1,149,696,534.40x = 572,265,215,483,689,472 - Step 5: Solve for x
x = 572,265,215,483,689,472/1,149,696,534.40 - Step 6: Final answer
x = 497,753,275.20
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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.