Finding the Fourth Proportional to 2,575,294,913.70, 3,862,942,370.55 and 636,598,145.70
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Solution
The fourth proportional to 2,575,294,913.70, 3,862,942,370.55 and 636,598,145.70 is: 954,897,218.55
Step by Step Solution
- Step 1: Write the proportion equation
2,575,294,913.70 : 3,862,942,370.55 = 636,598,145.70 : x - Step 2: Convert to fraction form
2,575,294,913.70/3,862,942,370.55 = 636,598,145.70/x - Step 3: Cross multiply
2,575,294,913.70x = 3,862,942,370.55 × 636,598,145.70 - Step 4: Simplify right side
2,575,294,913.70x = 2,459,141,950,038,092,800 - Step 5: Solve for x
x = 2,459,141,950,038,092,800/2,575,294,913.70 - Step 6: Final answer
x = 954,897,218.55
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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.