Finding the Fourth Proportional to 1,529,911,812.60, 2,295,434,589.30 and 610,448,023.80
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Solution
The fourth proportional to 1,529,911,812.60, 2,295,434,589.30 and 610,448,023.80 is: 915,898,221.88
Step by Step Solution
- Step 1: Write the proportion equation
1,529,911,812.60 : 2,295,434,589.30 = 610,448,023.80 : x - Step 2: Convert to fraction form
1,529,911,812.60/2,295,434,589.30 = 610,448,023.80/x - Step 3: Cross multiply
1,529,911,812.60x = 2,295,434,589.30 × 610,448,023.80 - Step 4: Simplify right side
1,529,911,812.60x = 1,401,243,508,800,349,696 - Step 5: Solve for x
x = 1,401,243,508,800,349,696/1,529,911,812.60 - Step 6: Final answer
x = 915,898,221.88
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1.5x scale
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.