Finding the Fourth Proportional to 916,165,576.88, 1,375,539,767.04 and 657,239,648.48
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Solution
The fourth proportional to 916,165,576.88, 1,375,539,767.04 and 657,239,648.48 is: 986,785,899.60
Step by Step Solution
- Step 1: Write the proportion equation
916,165,576.88 : 1,375,539,767.04 = 657,239,648.48 : x - Step 2: Convert to fraction form
916,165,576.88/1,375,539,767.04 = 657,239,648.48/x - Step 3: Cross multiply
916,165,576.88x = 1,375,539,767.04 × 657,239,648.48 - Step 4: Simplify right side
916,165,576.88x = 904,059,272,959,630,720 - Step 5: Solve for x
x = 904,059,272,959,630,720/916,165,576.88 - Step 6: Final answer
x = 986,785,899.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.