Finding the Fourth Proportional to 1,585,872,028.80, 2,378,808,043.20 and 965,999,246.40
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Solution
The fourth proportional to 1,585,872,028.80, 2,378,808,043.20 and 965,999,246.40 is: 1,448,998,869.60
Step by Step Solution
- Step 1: Write the proportion equation
1,585,872,028.80 : 2,378,808,043.20 = 965,999,246.40 : x - Step 2: Convert to fraction form
1,585,872,028.80/2,378,808,043.20 = 965,999,246.40/x - Step 3: Cross multiply
1,585,872,028.80x = 2,378,808,043.20 × 965,999,246.40 - Step 4: Simplify right side
1,585,872,028.80x = 2,297,926,777,061,458,432 - Step 5: Solve for x
x = 2,297,926,777,061,458,432/1,585,872,028.80 - Step 6: Final answer
x = 1,448,998,869.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.