Finding the Fourth Proportional to 646,803,592.58, 970,205,278.17 and 204,456,793.70
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Solution
The fourth proportional to 646,803,592.58, 970,205,278.17 and 204,456,793.70 is: 306,685,155.56
Step by Step Solution
- Step 1: Write the proportion equation
646,803,592.58 : 970,205,278.17 = 204,456,793.70 : x - Step 2: Convert to fraction form
646,803,592.58/970,205,278.17 = 204,456,793.70/x - Step 3: Cross multiply
646,803,592.58x = 970,205,278.17 × 204,456,793.70 - Step 4: Simplify right side
646,803,592.58x = 198,365,060,405,454,784 - Step 5: Solve for x
x = 198,365,060,405,454,784/646,803,592.58 - Step 6: Final answer
x = 306,685,155.56
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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.