Finding the Fourth Proportional to 767,539,394.88, 1,059,204,357.45 and 415,115,375.46
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Solution
The fourth proportional to 767,539,394.88, 1,059,204,357.45 and 415,115,375.46 is: 572,859,214.09
Step by Step Solution
- Step 1: Write the proportion equation
767,539,394.88 : 1,059,204,357.45 = 415,115,375.46 : x - Step 2: Convert to fraction form
767,539,394.88/1,059,204,357.45 = 415,115,375.46/x - Step 3: Cross multiply
767,539,394.88x = 1,059,204,357.45 × 415,115,375.46 - Step 4: Simplify right side
767,539,394.88x = 439,692,014,531,724,800 - Step 5: Solve for x
x = 439,692,014,531,724,800/767,539,394.88 - Step 6: Final answer
x = 572,859,214.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.