Finding the Fourth Proportional to 1,647,272,920.52, 2,471,002,763.09 and 526,894,988.19
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Solution
The fourth proportional to 1,647,272,920.52, 2,471,002,763.09 and 526,894,988.19 is: 790,372,351.45
Step by Step Solution
- Step 1: Write the proportion equation
1,647,272,920.52 : 2,471,002,763.09 = 526,894,988.19 : x - Step 2: Convert to fraction form
1,647,272,920.52/2,471,002,763.09 = 526,894,988.19/x - Step 3: Cross multiply
1,647,272,920.52x = 2,471,002,763.09 × 526,894,988.19 - Step 4: Simplify right side
1,647,272,920.52x = 1,301,958,971,673,128,448 - Step 5: Solve for x
x = 1,301,958,971,673,128,448/1,647,272,920.52 - Step 6: Final answer
x = 790,372,351.45
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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.