Finding the Fourth Proportional to 1,726,278,363.20, 2,589,417,544.80 and 1,175,280,334.40
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Solution
The fourth proportional to 1,726,278,363.20, 2,589,417,544.80 and 1,175,280,334.40 is: 1,762,920,501.60
Step by Step Solution
- Step 1: Write the proportion equation
1,726,278,363.20 : 2,589,417,544.80 = 1,175,280,334.40 : x - Step 2: Convert to fraction form
1,726,278,363.20/2,589,417,544.80 = 1,175,280,334.40/x - Step 3: Cross multiply
1,726,278,363.20x = 2,589,417,544.80 × 1,175,280,334.40 - Step 4: Simplify right side
1,726,278,363.20x = 3,043,291,517,953,771,520 - Step 5: Solve for x
x = 3,043,291,517,953,771,520/1,726,278,363.20 - Step 6: Final answer
x = 1,762,920,501.60
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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.