Finding the Fourth Proportional to 1,836,491,067.66, 2,754,452,641.35 and 671,687,169.42
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Solution
The fourth proportional to 1,836,491,067.66, 2,754,452,641.35 and 671,687,169.42 is: 1,007,426,897.17
Step by Step Solution
- Step 1: Write the proportion equation
1,836,491,067.66 : 2,754,452,641.35 = 671,687,169.42 : x - Step 2: Convert to fraction form
1,836,491,067.66/2,754,452,641.35 = 671,687,169.42/x - Step 3: Cross multiply
1,836,491,067.66x = 2,754,452,641.35 × 671,687,169.42 - Step 4: Simplify right side
1,836,491,067.66x = 1,850,130,497,982,638,592 - Step 5: Solve for x
x = 1,850,130,497,982,638,592/1,836,491,067.66 - Step 6: Final answer
x = 1,007,426,897.17
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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.