Finding the Fourth Proportional to 515,055,540.24, 710,936,686.26 and 409,396,438.98
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Solution
The fourth proportional to 515,055,540.24, 710,936,686.26 and 409,396,438.98 is: 565,094,295.58
Step by Step Solution
- Step 1: Write the proportion equation
515,055,540.24 : 710,936,686.26 = 409,396,438.98 : x - Step 2: Convert to fraction form
515,055,540.24/710,936,686.26 = 409,396,438.98/x - Step 3: Cross multiply
515,055,540.24x = 710,936,686.26 × 409,396,438.98 - Step 4: Simplify right side
515,055,540.24x = 291,054,947,695,085,504 - Step 5: Solve for x
x = 291,054,947,695,085,504/515,055,540.24 - Step 6: Final answer
x = 565,094,295.58
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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.