Finding the Fourth Proportional to 767,476,720.01, 1,059,121,064.60 and 415,052,710.71
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Solution
The fourth proportional to 767,476,720.01, 1,059,121,064.60 and 415,052,710.71 is: 572,774,466.47
Step by Step Solution
- Step 1: Write the proportion equation
767,476,720.01 : 1,059,121,064.60 = 415,052,710.71 : x - Step 2: Convert to fraction form
767,476,720.01/1,059,121,064.60 = 415,052,710.71/x - Step 3: Cross multiply
767,476,720.01x = 1,059,121,064.60 × 415,052,710.71 - Step 4: Simplify right side
767,476,720.01x = 439,591,068,830,215,744 - Step 5: Solve for x
x = 439,591,068,830,215,744/767,476,720.01 - Step 6: Final answer
x = 572,774,466.47
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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.