Finding the Fourth Proportional to 995,881,343.20, 1,492,814,245.20 and 586,726,885.60
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Solution
The fourth proportional to 995,881,343.20, 1,492,814,245.20 and 586,726,885.60 is: 879,496,597.51
Step by Step Solution
- Step 1: Write the proportion equation
995,881,343.20 : 1,492,814,245.20 = 586,726,885.60 : x - Step 2: Convert to fraction form
995,881,343.20/1,492,814,245.20 = 586,726,885.60/x - Step 3: Cross multiply
995,881,343.20x = 1,492,814,245.20 × 586,726,885.60 - Step 4: Simplify right side
995,881,343.20x = 875,874,252,865,510,784 - Step 5: Solve for x
x = 875,874,252,865,510,784/995,881,343.20 - Step 6: Final answer
x = 879,496,597.51
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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.