Finding the Fourth Proportional to 498,324,625.20, 747,486,937.80 and 239,477,428.80
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Solution
The fourth proportional to 498,324,625.20, 747,486,937.80 and 239,477,428.80 is: 359,216,143.20
Step by Step Solution
- Step 1: Write the proportion equation
498,324,625.20 : 747,486,937.80 = 239,477,428.80 : x - Step 2: Convert to fraction form
498,324,625.20/747,486,937.80 = 239,477,428.80/x - Step 3: Cross multiply
498,324,625.20x = 747,486,937.80 × 239,477,428.80 - Step 4: Simplify right side
498,324,625.20x = 179,006,249,925,929,536 - Step 5: Solve for x
x = 179,006,249,925,929,536/498,324,625.20 - Step 6: Final answer
x = 359,216,143.20
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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.