Finding the Fourth Proportional to 1,345,129,394.33, 1,856,279,360.29 and 750,413,880.70
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Solution
The fourth proportional to 1,345,129,394.33, 1,856,279,360.29 and 750,413,880.70 is: 1,035,571,599.49
Step by Step Solution
- Step 1: Write the proportion equation
1,345,129,394.33 : 1,856,279,360.29 = 750,413,880.70 : x - Step 2: Convert to fraction form
1,345,129,394.33/1,856,279,360.29 = 750,413,880.70/x - Step 3: Cross multiply
1,345,129,394.33x = 1,856,279,360.29 × 750,413,880.70 - Step 4: Simplify right side
1,345,129,394.33x = 1,392,977,798,413,441,536 - Step 5: Solve for x
x = 1,392,977,798,413,441,536/1,345,129,394.33 - Step 6: Final answer
x = 1,035,571,599.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.