Finding the Fourth Proportional to 887,265,527.08, 1,218,014,687.59 and 761,599,556.08
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Solution
The fourth proportional to 887,265,527.08, 1,218,014,687.59 and 761,599,556.08 is: 1,045,503,760.77
Step by Step Solution
- Step 1: Write the proportion equation
887,265,527.08 : 1,218,014,687.59 = 761,599,556.08 : x - Step 2: Convert to fraction form
887,265,527.08/1,218,014,687.59 = 761,599,556.08/x - Step 3: Cross multiply
887,265,527.08x = 1,218,014,687.59 × 761,599,556.08 - Step 4: Simplify right side
887,265,527.08x = 927,639,445,368,057,856 - Step 5: Solve for x
x = 927,639,445,368,057,856/887,265,527.08 - Step 6: Final answer
x = 1,045,503,760.77
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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.