Finding the Fourth Proportional to 2,495,190,232.20, 3,742,785,348.30 and 655,128,913.80
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Solution
The fourth proportional to 2,495,190,232.20, 3,742,785,348.30 and 655,128,913.80 is: 982,693,370.70
Step by Step Solution
- Step 1: Write the proportion equation
2,495,190,232.20 : 3,742,785,348.30 = 655,128,913.80 : x - Step 2: Convert to fraction form
2,495,190,232.20/3,742,785,348.30 = 655,128,913.80/x - Step 3: Cross multiply
2,495,190,232.20x = 3,742,785,348.30 × 655,128,913.80 - Step 4: Simplify right side
2,495,190,232.20x = 2,452,006,899,818,333,696 - Step 5: Solve for x
x = 2,452,006,899,818,333,696/2,495,190,232.20 - Step 6: Final answer
x = 982,693,370.70
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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.