Finding the Fourth Proportional to 1,164,341,207.80, 1,746,511,811.70 and 1,069,106,980.60
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Solution
The fourth proportional to 1,164,341,207.80, 1,746,511,811.70 and 1,069,106,980.60 is: 1,603,660,470.90
Step by Step Solution
- Step 1: Write the proportion equation
1,164,341,207.80 : 1,746,511,811.70 = 1,069,106,980.60 : x - Step 2: Convert to fraction form
1,164,341,207.80/1,746,511,811.70 = 1,069,106,980.60/x - Step 3: Cross multiply
1,164,341,207.80x = 1,746,511,811.70 × 1,069,106,980.60 - Step 4: Simplify right side
1,164,341,207.80x = 1,867,207,969,588,822,784 - Step 5: Solve for x
x = 1,867,207,969,588,822,784/1,164,341,207.80 - Step 6: Final answer
x = 1,603,660,470.90
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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.