Finding the Fourth Proportional to 999,549,201,252.75, 1,498,851,164,576.70 and 387,215,561,781.55
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Solution
The fourth proportional to 999,549,201,252.75, 1,498,851,164,576.70 and 387,215,561,781.55 is: 580,640,247,614.73
Step by Step Solution
- Step 1: Write the proportion equation
999,549,201,252.75 : 1,498,851,164,576.70 = 387,215,561,781.55 : x - Step 2: Convert to fraction form
999,549,201,252.75/1,498,851,164,576.70 = 387,215,561,781.55/x - Step 3: Cross multiply
999,549,201,252.75x = 1,498,851,164,576.70 × 387,215,561,781.55 - Step 4: Simplify right side
999,549,201,252.75x = 580,378,495,718,497,294,745,600 - Step 5: Solve for x
x = 580,378,495,718,497,294,745,600/999,549,201,252.75 - Step 6: Final answer
x = 580,640,247,614.73
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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.