Finding the Fourth Proportional to 974,175,545.12, 1,461,263,289.42 and 449,389,379.70
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Solution
The fourth proportional to 974,175,545.12, 1,461,263,289.42 and 449,389,379.70 is: 674,084,056.52
Step by Step Solution
- Step 1: Write the proportion equation
974,175,545.12 : 1,461,263,289.42 = 449,389,379.70 : x - Step 2: Convert to fraction form
974,175,545.12/1,461,263,289.42 = 449,389,379.70/x - Step 3: Cross multiply
974,175,545.12x = 1,461,263,289.42 × 449,389,379.70 - Step 4: Simplify right side
974,175,545.12x = 656,676,203,212,498,176 - Step 5: Solve for x
x = 656,676,203,212,498,176/974,175,545.12 - Step 6: Final answer
x = 674,084,056.52
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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.