Finding the Fourth Proportional to 1,575,361,028.25, 2,363,450,112.21 and 837,824,452.83
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Solution
The fourth proportional to 1,575,361,028.25, 2,363,450,112.21 and 837,824,452.83 is: 1,256,953,968.99
Step by Step Solution
- Step 1: Write the proportion equation
1,575,361,028.25 : 2,363,450,112.21 = 837,824,452.83 : x - Step 2: Convert to fraction form
1,575,361,028.25/2,363,450,112.21 = 837,824,452.83/x - Step 3: Cross multiply
1,575,361,028.25x = 2,363,450,112.21 × 837,824,452.83 - Step 4: Simplify right side
1,575,361,028.25x = 1,980,156,297,053,345,536 - Step 5: Solve for x
x = 1,980,156,297,053,345,536/1,575,361,028.25 - Step 6: Final answer
x = 1,256,953,968.99
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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.