Finding the Fourth Proportional to 1,499,066,190,423.70, 2,068,711,342,784.80 and 857,497,860,639.68
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Solution
The fourth proportional to 1,499,066,190,423.70, 2,068,711,342,784.80 and 857,497,860,639.68 is: 1,183,347,047,682.81
Step by Step Solution
- Step 1: Write the proportion equation
1,499,066,190,423.70 : 2,068,711,342,784.80 = 857,497,860,639.68 : x - Step 2: Convert to fraction form
1,499,066,190,423.70/2,068,711,342,784.80 = 857,497,860,639.68/x - Step 3: Cross multiply
1,499,066,190,423.70x = 2,068,711,342,784.80 × 857,497,860,639.68 - Step 4: Simplify right side
1,499,066,190,423.70x = 1,773,915,550,719,005,861,871,616 - Step 5: Solve for x
x = 1,773,915,550,719,005,861,871,616/1,499,066,190,423.70 - Step 6: Final answer
x = 1,183,347,047,682.81
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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.