Finding the Fourth Proportional to 453,114,292.74, 624,911,402.79 and 382,892,813.70
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Solution
The fourth proportional to 453,114,292.74, 624,911,402.79 and 382,892,813.70 is: 528,065,631.92
Step by Step Solution
- Step 1: Write the proportion equation
453,114,292.74 : 624,911,402.79 = 382,892,813.70 : x - Step 2: Convert to fraction form
453,114,292.74/624,911,402.79 = 382,892,813.70/x - Step 3: Cross multiply
453,114,292.74x = 624,911,402.79 × 382,892,813.70 - Step 4: Simplify right side
453,114,292.74x = 239,274,085,327,477,120 - Step 5: Solve for x
x = 239,274,085,327,477,120/453,114,292.74 - Step 6: Final answer
x = 528,065,631.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.