Finding the Fourth Proportional to 1,772,929,899.20, 2,659,394,848.80 and 805,471,083.20
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Solution
The fourth proportional to 1,772,929,899.20, 2,659,394,848.80 and 805,471,083.20 is: 1,208,206,624.80
Step by Step Solution
- Step 1: Write the proportion equation
1,772,929,899.20 : 2,659,394,848.80 = 805,471,083.20 : x - Step 2: Convert to fraction form
1,772,929,899.20/2,659,394,848.80 = 805,471,083.20/x - Step 3: Cross multiply
1,772,929,899.20x = 2,659,394,848.80 × 805,471,083.20 - Step 4: Simplify right side
1,772,929,899.20x = 2,142,065,649,519,436,544 - Step 5: Solve for x
x = 2,142,065,649,519,436,544/1,772,929,899.20 - Step 6: Final answer
x = 1,208,206,624.80
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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.