Finding the Fourth Proportional to 1,451,594,430.40, 2,177,391,645.60 and 482,246,046.40
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Solution
The fourth proportional to 1,451,594,430.40, 2,177,391,645.60 and 482,246,046.40 is: 723,369,069.60
Step by Step Solution
- Step 1: Write the proportion equation
1,451,594,430.40 : 2,177,391,645.60 = 482,246,046.40 : x - Step 2: Convert to fraction form
1,451,594,430.40/2,177,391,645.60 = 482,246,046.40/x - Step 3: Cross multiply
1,451,594,430.40x = 2,177,391,645.60 × 482,246,046.40 - Step 4: Simplify right side
1,451,594,430.40x = 1,050,038,512,554,989,824 - Step 5: Solve for x
x = 1,050,038,512,554,989,824/1,451,594,430.40 - Step 6: Final answer
x = 723,369,069.60
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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.