Finding the Fourth Proportional to 1,230,457,545.40, 1,845,686,318.10 and 1,137,029,423.80
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Solution
The fourth proportional to 1,230,457,545.40, 1,845,686,318.10 and 1,137,029,423.80 is: 1,705,544,135.70
Step by Step Solution
- Step 1: Write the proportion equation
1,230,457,545.40 : 1,845,686,318.10 = 1,137,029,423.80 : x - Step 2: Convert to fraction form
1,230,457,545.40/1,845,686,318.10 = 1,137,029,423.80/x - Step 3: Cross multiply
1,230,457,545.40x = 1,845,686,318.10 × 1,137,029,423.80 - Step 4: Simplify right side
1,230,457,545.40x = 2,098,599,650,784,786,432 - Step 5: Solve for x
x = 2,098,599,650,784,786,432/1,230,457,545.40 - Step 6: Final answer
x = 1,705,544,135.70
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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.