Finding the Fourth Proportional to 1,856,031,943.74, 2,561,372,625.90 and 1,009,308,787.74
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Solution
The fourth proportional to 1,856,031,943.74, 2,561,372,625.90 and 1,009,308,787.74 is: 1,392,872,525.02
Step by Step Solution
- Step 1: Write the proportion equation
1,856,031,943.74 : 2,561,372,625.90 = 1,009,308,787.74 : x - Step 2: Convert to fraction form
1,856,031,943.74/2,561,372,625.90 = 1,009,308,787.74/x - Step 3: Cross multiply
1,856,031,943.74x = 2,561,372,625.90 × 1,009,308,787.74 - Step 4: Simplify right side
1,856,031,943.74x = 2,585,215,899,997,549,568 - Step 5: Solve for x
x = 2,585,215,899,997,549,568/1,856,031,943.74 - Step 6: Final answer
x = 1,392,872,525.02
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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.