Finding the Fourth Proportional to 398,632,211.80, 597,948,317.70 and 183,641,363.80
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Solution
The fourth proportional to 398,632,211.80, 597,948,317.70 and 183,641,363.80 is: 275,462,045.70
Step by Step Solution
- Step 1: Write the proportion equation
398,632,211.80 : 597,948,317.70 = 183,641,363.80 : x - Step 2: Convert to fraction form
398,632,211.80/597,948,317.70 = 183,641,363.80/x - Step 3: Cross multiply
398,632,211.80x = 597,948,317.70 × 183,641,363.80 - Step 4: Simplify right side
398,632,211.80x = 109,808,044,544,343,696 - Step 5: Solve for x
x = 109,808,044,544,343,696/398,632,211.80 - Step 6: Final answer
x = 275,462,045.70
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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.