Finding the Fourth Proportional to 2,518,122,908.80, 3,777,184,363.20 and 882,134,934.40
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Solution
The fourth proportional to 2,518,122,908.80, 3,777,184,363.20 and 882,134,934.40 is: 1,323,202,401.60
Step by Step Solution
- Step 1: Write the proportion equation
2,518,122,908.80 : 3,777,184,363.20 = 882,134,934.40 : x - Step 2: Convert to fraction form
2,518,122,908.80/3,777,184,363.20 = 882,134,934.40/x - Step 3: Cross multiply
2,518,122,908.80x = 3,777,184,363.20 × 882,134,934.40 - Step 4: Simplify right side
2,518,122,908.80x = 3,331,986,280,448,137,728 - Step 5: Solve for x
x = 3,331,986,280,448,137,728/2,518,122,908.80 - Step 6: Final answer
x = 1,323,202,401.60
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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.