Finding the Fourth Proportional to 2,124,664,582.30, 3,186,996,873.45 and 744,299,728.90
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Solution
The fourth proportional to 2,124,664,582.30, 3,186,996,873.45 and 744,299,728.90 is: 1,116,449,593.35
Step by Step Solution
- Step 1: Write the proportion equation
2,124,664,582.30 : 3,186,996,873.45 = 744,299,728.90 : x - Step 2: Convert to fraction form
2,124,664,582.30/3,186,996,873.45 = 744,299,728.90/x - Step 3: Cross multiply
2,124,664,582.30x = 3,186,996,873.45 × 744,299,728.90 - Step 4: Simplify right side
2,124,664,582.30x = 2,372,080,908,913,982,464 - Step 5: Solve for x
x = 2,372,080,908,913,982,464/2,124,664,582.30 - Step 6: Final answer
x = 1,116,449,593.35
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1.5x scale
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.