Finding the Fourth Proportional to 887,265,532.38, 1,218,014,694.80 and 761,599,561.26
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Solution
The fourth proportional to 887,265,532.38, 1,218,014,694.80 and 761,599,561.26 is: 1,045,503,767.82
Step by Step Solution
- Step 1: Write the proportion equation
887,265,532.38 : 1,218,014,694.80 = 761,599,561.26 : x - Step 2: Convert to fraction form
887,265,532.38/1,218,014,694.80 = 761,599,561.26/x - Step 3: Cross multiply
887,265,532.38x = 1,218,014,694.80 × 761,599,561.26 - Step 4: Simplify right side
887,265,532.38x = 927,639,457,164,104,832 - Step 5: Solve for x
x = 927,639,457,164,104,832/887,265,532.38 - Step 6: Final answer
x = 1,045,503,767.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.