Finding the Fourth Proportional to 883,103,842.80, 1,324,655,764.20 and 537,879,769.20
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Solution
The fourth proportional to 883,103,842.80, 1,324,655,764.20 and 537,879,769.20 is: 806,819,653.80
Step by Step Solution
- Step 1: Write the proportion equation
883,103,842.80 : 1,324,655,764.20 = 537,879,769.20 : x - Step 2: Convert to fraction form
883,103,842.80/1,324,655,764.20 = 537,879,769.20/x - Step 3: Cross multiply
883,103,842.80x = 1,324,655,764.20 × 537,879,769.20 - Step 4: Simplify right side
883,103,842.80x = 712,505,536,717,345,664 - Step 5: Solve for x
x = 712,505,536,717,345,664/883,103,842.80 - Step 6: Final answer
x = 806,819,653.80
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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.