Finding the Fourth Proportional to 1,919,556,413.56, 2,879,442,236.70 and 539,263,305.88
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Solution
The fourth proportional to 1,919,556,413.56, 2,879,442,236.70 and 539,263,305.88 is: 808,925,191.61
Step by Step Solution
- Step 1: Write the proportion equation
1,919,556,413.56 : 2,879,442,236.70 = 539,263,305.88 : x - Step 2: Convert to fraction form
1,919,556,413.56/2,879,442,236.70 = 539,263,305.88/x - Step 3: Cross multiply
1,919,556,413.56x = 2,879,442,236.70 × 539,263,305.88 - Step 4: Simplify right side
1,919,556,413.56x = 1,552,777,539,653,343,232 - Step 5: Solve for x
x = 1,552,777,539,653,343,232/1,919,556,413.56 - Step 6: Final answer
x = 808,925,191.61
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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.