Finding the Fourth Proportional to 299,730,967.87, 413,607,737.75 and 174,274,263.20
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Solution
The fourth proportional to 299,730,967.87, 413,607,737.75 and 174,274,263.20 is: 240,486,274.29
Step by Step Solution
- Step 1: Write the proportion equation
299,730,967.87 : 413,607,737.75 = 174,274,263.20 : x - Step 2: Convert to fraction form
299,730,967.87/413,607,737.75 = 174,274,263.20/x - Step 3: Cross multiply
299,730,967.87x = 413,607,737.75 × 174,274,263.20 - Step 4: Simplify right side
299,730,967.87x = 72,081,183,750,362,720 - Step 5: Solve for x
x = 72,081,183,750,362,720/299,730,967.87 - Step 6: Final answer
x = 240,486,274.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.