Finding the Fourth Proportional to 1,543,934,524.80, 2,316,334,132.80 and 624,456,739.20
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Solution
The fourth proportional to 1,543,934,524.80, 2,316,334,132.80 and 624,456,739.20 is: 936,859,974.46
Step by Step Solution
- Step 1: Write the proportion equation
1,543,934,524.80 : 2,316,334,132.80 = 624,456,739.20 : x - Step 2: Convert to fraction form
1,543,934,524.80/2,316,334,132.80 = 624,456,739.20/x - Step 3: Cross multiply
1,543,934,524.80x = 2,316,334,132.80 × 624,456,739.20 - Step 4: Simplify right side
1,543,934,524.80x = 1,446,450,459,465,947,904 - Step 5: Solve for x
x = 1,446,450,459,465,947,904/1,543,934,524.80 - Step 6: Final answer
x = 936,859,974.46
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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.