Finding the Fourth Proportional to 2,307,787,615.80, 3,461,681,423.70 and 996,775,812.90
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Solution
The fourth proportional to 2,307,787,615.80, 3,461,681,423.70 and 996,775,812.90 is: 1,495,163,719.35
Step by Step Solution
- Step 1: Write the proportion equation
2,307,787,615.80 : 3,461,681,423.70 = 996,775,812.90 : x - Step 2: Convert to fraction form
2,307,787,615.80/3,461,681,423.70 = 996,775,812.90/x - Step 3: Cross multiply
2,307,787,615.80x = 3,461,681,423.70 × 996,775,812.90 - Step 4: Simplify right side
2,307,787,615.80x = 3,450,520,315,109,396,480 - Step 5: Solve for x
x = 3,450,520,315,109,396,480/2,307,787,615.80 - Step 6: Final answer
x = 1,495,163,719.35
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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.