Finding the Fourth Proportional to 1,164,341,631.80, 1,746,512,447.70 and 1,069,107,404.60
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Solution
The fourth proportional to 1,164,341,631.80, 1,746,512,447.70 and 1,069,107,404.60 is: 1,603,661,106.90
Step by Step Solution
- Step 1: Write the proportion equation
1,164,341,631.80 : 1,746,512,447.70 = 1,069,107,404.60 : x - Step 2: Convert to fraction form
1,164,341,631.80/1,746,512,447.70 = 1,069,107,404.60/x - Step 3: Cross multiply
1,164,341,631.80x = 1,746,512,447.70 × 1,069,107,404.60 - Step 4: Simplify right side
1,164,341,631.80x = 1,867,209,390,062,140,416 - Step 5: Solve for x
x = 1,867,209,390,062,140,416/1,164,341,631.80 - Step 6: Final answer
x = 1,603,661,106.90
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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.