Finding the Fourth Proportional to 2,495,186,144.20, 3,742,779,216.30 and 655,124,825.80
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Solution
The fourth proportional to 2,495,186,144.20, 3,742,779,216.30 and 655,124,825.80 is: 982,687,238.70
Step by Step Solution
- Step 1: Write the proportion equation
2,495,186,144.20 : 3,742,779,216.30 = 655,124,825.80 : x - Step 2: Convert to fraction form
2,495,186,144.20/3,742,779,216.30 = 655,124,825.80/x - Step 3: Cross multiply
2,495,186,144.20x = 3,742,779,216.30 × 655,124,825.80 - Step 4: Simplify right side
2,495,186,144.20x = 2,451,987,582,086,397,952 - Step 5: Solve for x
x = 2,451,987,582,086,397,952/2,495,186,144.20 - Step 6: Final answer
x = 982,687,238.70
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1.5x scale
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.