Finding the Fourth Proportional to 453,991,908.20, 680,987,862.30 and 344,222,769.65
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Solution
The fourth proportional to 453,991,908.20, 680,987,862.30 and 344,222,769.65 is: 516,334,154.48
Step by Step Solution
- Step 1: Write the proportion equation
453,991,908.20 : 680,987,862.30 = 344,222,769.65 : x - Step 2: Convert to fraction form
453,991,908.20/680,987,862.30 = 344,222,769.65/x - Step 3: Cross multiply
453,991,908.20x = 680,987,862.30 × 344,222,769.65 - Step 4: Simplify right side
453,991,908.20x = 234,411,528,058,938,784 - Step 5: Solve for x
x = 234,411,528,058,938,784/453,991,908.20 - Step 6: Final answer
x = 516,334,154.48
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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.