Finding the Fourth Proportional to 767,476,753.04, 1,059,121,109.76 and 415,052,743.52
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Solution
The fourth proportional to 767,476,753.04, 1,059,121,109.76 and 415,052,743.52 is: 572,774,511.52
Step by Step Solution
- Step 1: Write the proportion equation
767,476,753.04 : 1,059,121,109.76 = 415,052,743.52 : x - Step 2: Convert to fraction form
767,476,753.04/1,059,121,109.76 = 415,052,743.52/x - Step 3: Cross multiply
767,476,753.04x = 1,059,121,109.76 × 415,052,743.52 - Step 4: Simplify right side
767,476,753.04x = 439,591,122,325,835,008 - Step 5: Solve for x
x = 439,591,122,325,835,008/767,476,753.04 - Step 6: Final answer
x = 572,774,511.52
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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.