Finding the Fourth Proportional to 527,043,851.13, 727,320,500.12 and 292,129,804.92
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Solution
The fourth proportional to 527,043,851.13, 727,320,500.12 and 292,129,804.92 is: 403,139,122.79
Step by Step Solution
- Step 1: Write the proportion equation
527,043,851.13 : 727,320,500.12 = 292,129,804.92 : x - Step 2: Convert to fraction form
527,043,851.13/727,320,500.12 = 292,129,804.92/x - Step 3: Cross multiply
527,043,851.13x = 727,320,500.12 × 292,129,804.92 - Step 4: Simplify right side
527,043,851.13x = 212,471,995,814,372,448 - Step 5: Solve for x
x = 212,471,995,814,372,448/527,043,851.13 - Step 6: Final answer
x = 403,139,122.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.