Finding the Fourth Proportional to 2,899,857,489,476.60, 4,348,589,467,489.20 and 989,888,522,691.12
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Solution
The fourth proportional to 2,899,857,489,476.60, 4,348,589,467,489.20 and 989,888,522,691.12 is: 1,484,424,258,565.89
Step by Step Solution
- Step 1: Write the proportion equation
2,899,857,489,476.60 : 4,348,589,467,489.20 = 989,888,522,691.12 : x - Step 2: Convert to fraction form
2,899,857,489,476.60/4,348,589,467,489.20 = 989,888,522,691.12/x - Step 3: Cross multiply
2,899,857,489,476.60x = 4,348,589,467,489.20 × 989,888,522,691.12 - Step 4: Simplify right side
2,899,857,489,476.60x = 4,304,618,803,763,048,385,347,584 - Step 5: Solve for x
x = 4,304,618,803,763,048,385,347,584/2,899,857,489,476.60 - Step 6: Final answer
x = 1,484,424,258,565.89
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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.