Finding the Fourth Proportional to 1,770,717,912.68, 2,656,651,543.37 and 527,159,132.96
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Solution
The fourth proportional to 1,770,717,912.68, 2,656,651,543.37 and 527,159,132.96 is: 790,909,785.31
Step by Step Solution
- Step 1: Write the proportion equation
1,770,717,912.68 : 2,656,651,543.37 = 527,159,132.96 : x - Step 2: Convert to fraction form
1,770,717,912.68/2,656,651,543.37 = 527,159,132.96/x - Step 3: Cross multiply
1,770,717,912.68x = 2,656,651,543.37 × 527,159,132.96 - Step 4: Simplify right side
1,770,717,912.68x = 1,400,478,124,163,855,872 - Step 5: Solve for x
x = 1,400,478,124,163,855,872/1,770,717,912.68 - Step 6: Final answer
x = 790,909,785.31
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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.