Finding the Fourth Proportional to 4,239,323,971.49, 6,359,934,372.24 and 1,291,834,272.17
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Solution
The fourth proportional to 4,239,323,971.49, 6,359,934,372.24 and 1,291,834,272.17 is: 1,938,040,415.42
Step by Step Solution
- Step 1: Write the proportion equation
4,239,323,971.49 : 6,359,934,372.24 = 1,291,834,272.17 : x - Step 2: Convert to fraction form
4,239,323,971.49/6,359,934,372.24 = 1,291,834,272.17/x - Step 3: Cross multiply
4,239,323,971.49x = 6,359,934,372.24 × 1,291,834,272.17 - Step 4: Simplify right side
4,239,323,971.49x = 8,215,981,190,811,626,496 - Step 5: Solve for x
x = 8,215,981,190,811,626,496/4,239,323,971.49 - Step 6: Final answer
x = 1,938,040,415.42
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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.