Finding the Fourth Proportional to 542,040,416.96, 813,058,992.47 and 153,863,575.88
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Solution
The fourth proportional to 542,040,416.96, 813,058,992.47 and 153,863,575.88 is: 230,794,900.28
Step by Step Solution
- Step 1: Write the proportion equation
542,040,416.96 : 813,058,992.47 = 153,863,575.88 : x - Step 2: Convert to fraction form
542,040,416.96/813,058,992.47 = 153,863,575.88/x - Step 3: Cross multiply
542,040,416.96x = 813,058,992.47 × 153,863,575.88 - Step 4: Simplify right side
542,040,416.96x = 125,100,163,979,143,552 - Step 5: Solve for x
x = 125,100,163,979,143,552/542,040,416.96 - Step 6: Final answer
x = 230,794,900.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.