Finding the Fourth Proportional to 1,863,247,565.80, 2,794,479,438.30 and 942,258,125.80
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Solution
The fourth proportional to 1,863,247,565.80, 2,794,479,438.30 and 942,258,125.80 is: 1,413,188,996.70
Step by Step Solution
- Step 1: Write the proportion equation
1,863,247,565.80 : 2,794,479,438.30 = 942,258,125.80 : x - Step 2: Convert to fraction form
1,863,247,565.80/2,794,479,438.30 = 942,258,125.80/x - Step 3: Cross multiply
1,863,247,565.80x = 2,794,479,438.30 × 942,258,125.80 - Step 4: Simplify right side
1,863,247,565.80x = 2,633,120,958,119,194,624 - Step 5: Solve for x
x = 2,633,120,958,119,194,624/1,863,247,565.80 - Step 6: Final answer
x = 1,413,188,996.70
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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.