Finding the Fourth Proportional to 3,524,431,478.40, 5,287,249,507.68 and 1,453,020,901.92
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Solution
The fourth proportional to 3,524,431,478.40, 5,287,249,507.68 and 1,453,020,901.92 is: 2,179,779,659.62
Step by Step Solution
- Step 1: Write the proportion equation
3,524,431,478.40 : 5,287,249,507.68 = 1,453,020,901.92 : x - Step 2: Convert to fraction form
3,524,431,478.40/5,287,249,507.68 = 1,453,020,901.92/x - Step 3: Cross multiply
3,524,431,478.40x = 5,287,249,507.68 × 1,453,020,901.92 - Step 4: Simplify right side
3,524,431,478.40x = 7,682,484,048,325,270,528 - Step 5: Solve for x
x = 7,682,484,048,325,270,528/3,524,431,478.40 - Step 6: Final answer
x = 2,179,779,659.62
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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.