Finding the Fourth Proportional to 598,420,793.70, 897,631,190.55 and 368,838,281.70
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Solution
The fourth proportional to 598,420,793.70, 897,631,190.55 and 368,838,281.70 is: 553,257,422.55
Step by Step Solution
- Step 1: Write the proportion equation
598,420,793.70 : 897,631,190.55 = 368,838,281.70 : x - Step 2: Convert to fraction form
598,420,793.70/897,631,190.55 = 368,838,281.70/x - Step 3: Cross multiply
598,420,793.70x = 897,631,190.55 × 368,838,281.70 - Step 4: Simplify right side
598,420,793.70x = 331,080,745,922,787,264 - Step 5: Solve for x
x = 331,080,745,922,787,264/598,420,793.70 - Step 6: Final answer
x = 553,257,422.55
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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.