Finding the Fourth Proportional to 1,813,240,250.70, 2,719,860,376.05 and 1,668,121,428.30
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Solution
The fourth proportional to 1,813,240,250.70, 2,719,860,376.05 and 1,668,121,428.30 is: 2,502,182,142.45
Step by Step Solution
- Step 1: Write the proportion equation
1,813,240,250.70 : 2,719,860,376.05 = 1,668,121,428.30 : x - Step 2: Convert to fraction form
1,813,240,250.70/2,719,860,376.05 = 1,668,121,428.30/x - Step 3: Cross multiply
1,813,240,250.70x = 2,719,860,376.05 × 1,668,121,428.30 - Step 4: Simplify right side
1,813,240,250.70x = 4,537,057,375,273,101,312 - Step 5: Solve for x
x = 4,537,057,375,273,101,312/1,813,240,250.70 - Step 6: Final answer
x = 2,502,182,142.45
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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.