Finding the Fourth Proportional to 2,764,389,638.30, 4,146,584,457.45 and 2,687,862,134.30
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Solution
The fourth proportional to 2,764,389,638.30, 4,146,584,457.45 and 2,687,862,134.30 is: 4,031,793,201.45
Step by Step Solution
- Step 1: Write the proportion equation
2,764,389,638.30 : 4,146,584,457.45 = 2,687,862,134.30 : x - Step 2: Convert to fraction form
2,764,389,638.30/4,146,584,457.45 = 2,687,862,134.30/x - Step 3: Cross multiply
2,764,389,638.30x = 4,146,584,457.45 × 2,687,862,134.30 - Step 4: Simplify right side
2,764,389,638.30x = 11,145,447,349,856,763,904 - Step 5: Solve for x
x = 11,145,447,349,856,763,904/2,764,389,638.30 - Step 6: Final answer
x = 4,031,793,201.45
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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.