Finding the Fourth Proportional to 1,365,137,130.40, 2,047,705,695.60 and 1,326,873,378.40
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Solution
The fourth proportional to 1,365,137,130.40, 2,047,705,695.60 and 1,326,873,378.40 is: 1,990,310,067.60
Step by Step Solution
- Step 1: Write the proportion equation
1,365,137,130.40 : 2,047,705,695.60 = 1,326,873,378.40 : x - Step 2: Convert to fraction form
1,365,137,130.40/2,047,705,695.60 = 1,326,873,378.40/x - Step 3: Cross multiply
1,365,137,130.40x = 2,047,705,695.60 × 1,326,873,378.40 - Step 4: Simplify right side
1,365,137,130.40x = 2,717,046,174,289,694,208 - Step 5: Solve for x
x = 2,717,046,174,289,694,208/1,365,137,130.40 - Step 6: Final answer
x = 1,990,310,067.60
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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.