Finding the Fourth Proportional to 1,846,142,305.20, 2,769,213,457.80 and 553,677,793.20
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Solution
The fourth proportional to 1,846,142,305.20, 2,769,213,457.80 and 553,677,793.20 is: 830,516,689.80
Step by Step Solution
- Step 1: Write the proportion equation
1,846,142,305.20 : 2,769,213,457.80 = 553,677,793.20 : x - Step 2: Convert to fraction form
1,846,142,305.20/2,769,213,457.80 = 553,677,793.20/x - Step 3: Cross multiply
1,846,142,305.20x = 2,769,213,457.80 × 553,677,793.20 - Step 4: Simplify right side
1,846,142,305.20x = 1,533,251,996,214,445,568 - Step 5: Solve for x
x = 1,533,251,996,214,445,568/1,846,142,305.20 - Step 6: Final answer
x = 830,516,689.80
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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.