Finding the Fourth Proportional to 1,561,037,418.99, 2,341,693,764.56 and 440,571,058.42
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Solution
The fourth proportional to 1,561,037,418.99, 2,341,693,764.56 and 440,571,058.42 is: 660,895,432.61
Step by Step Solution
- Step 1: Write the proportion equation
1,561,037,418.99 : 2,341,693,764.56 = 440,571,058.42 : x - Step 2: Convert to fraction form
1,561,037,418.99/2,341,693,764.56 = 440,571,058.42/x - Step 3: Cross multiply
1,561,037,418.99x = 2,341,693,764.56 × 440,571,058.42 - Step 4: Simplify right side
1,561,037,418.99x = 1,031,682,500,347,713,536 - Step 5: Solve for x
x = 1,031,682,500,347,713,536/1,561,037,418.99 - Step 6: Final answer
x = 660,895,432.61
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1.5x scale
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.