Finding the Fourth Proportional to 2,495,190,234.20, 3,742,785,351.30 and 655,128,915.80
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Solution
The fourth proportional to 2,495,190,234.20, 3,742,785,351.30 and 655,128,915.80 is: 982,693,373.70
Step by Step Solution
- Step 1: Write the proportion equation
2,495,190,234.20 : 3,742,785,351.30 = 655,128,915.80 : x - Step 2: Convert to fraction form
2,495,190,234.20/3,742,785,351.30 = 655,128,915.80/x - Step 3: Cross multiply
2,495,190,234.20x = 3,742,785,351.30 × 655,128,915.80 - Step 4: Simplify right side
2,495,190,234.20x = 2,452,006,909,269,291,008 - Step 5: Solve for x
x = 2,452,006,909,269,291,008/2,495,190,234.20 - Step 6: Final answer
x = 982,693,373.70
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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.