Finding the Fourth Proportional to 402,410,930.20, 603,616,395.30 and 337,840,848.70
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Solution
The fourth proportional to 402,410,930.20, 603,616,395.30 and 337,840,848.70 is: 506,761,273.05
Step by Step Solution
- Step 1: Write the proportion equation
402,410,930.20 : 603,616,395.30 = 337,840,848.70 : x - Step 2: Convert to fraction form
402,410,930.20/603,616,395.30 = 337,840,848.70/x - Step 3: Cross multiply
402,410,930.20x = 603,616,395.30 × 337,840,848.70 - Step 4: Simplify right side
402,410,930.20x = 203,926,275,277,386,656 - Step 5: Solve for x
x = 203,926,275,277,386,656/402,410,930.20 - Step 6: Final answer
x = 506,761,273.05
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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.