Finding the Fourth Proportional to 1,875,560,128.40, 2,588,088,592.68 and 1,040,170,140.56
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Solution
The fourth proportional to 1,875,560,128.40, 2,588,088,592.68 and 1,040,170,140.56 is: 1,435,332,535.85
Step by Step Solution
- Step 1: Write the proportion equation
1,875,560,128.40 : 2,588,088,592.68 = 1,040,170,140.56 : x - Step 2: Convert to fraction form
1,875,560,128.40/2,588,088,592.68 = 1,040,170,140.56/x - Step 3: Cross multiply
1,875,560,128.40x = 2,588,088,592.68 × 1,040,170,140.56 - Step 4: Simplify right side
1,875,560,128.40x = 2,692,052,475,229,687,808 - Step 5: Solve for x
x = 2,692,052,475,229,687,808/1,875,560,128.40 - Step 6: Final answer
x = 1,435,332,535.85
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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.