Finding the Fourth Proportional to 2,495,186,145.70, 3,742,779,218.55 and 655,124,827.30
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Solution
The fourth proportional to 2,495,186,145.70, 3,742,779,218.55 and 655,124,827.30 is: 982,687,240.95
Step by Step Solution
- Step 1: Write the proportion equation
2,495,186,145.70 : 3,742,779,218.55 = 655,124,827.30 : x - Step 2: Convert to fraction form
2,495,186,145.70/3,742,779,218.55 = 655,124,827.30/x - Step 3: Cross multiply
2,495,186,145.70x = 3,742,779,218.55 × 655,124,827.30 - Step 4: Simplify right side
2,495,186,145.70x = 2,451,987,589,174,597,632 - Step 5: Solve for x
x = 2,451,987,589,174,597,632/2,495,186,145.70 - Step 6: Final answer
x = 982,687,240.95
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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.