Finding the Fourth Proportional to 436,735,053.20, 655,102,579.80 and 207,152,541.20
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Solution
The fourth proportional to 436,735,053.20, 655,102,579.80 and 207,152,541.20 is: 310,728,811.80
Step by Step Solution
- Step 1: Write the proportion equation
436,735,053.20 : 655,102,579.80 = 207,152,541.20 : x - Step 2: Convert to fraction form
436,735,053.20/655,102,579.80 = 207,152,541.20/x - Step 3: Cross multiply
436,735,053.20x = 655,102,579.80 × 207,152,541.20 - Step 4: Simplify right side
436,735,053.20x = 135,706,164,152,245,776 - Step 5: Solve for x
x = 135,706,164,152,245,776/436,735,053.20 - Step 6: Final answer
x = 310,728,811.80
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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.