Finding the Fourth Proportional to 302,516,448.30, 453,774,672.45 and 199,204,317.90
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Solution
The fourth proportional to 302,516,448.30, 453,774,672.45 and 199,204,317.90 is: 298,806,476.85
Step by Step Solution
- Step 1: Write the proportion equation
302,516,448.30 : 453,774,672.45 = 199,204,317.90 : x - Step 2: Convert to fraction form
302,516,448.30/453,774,672.45 = 199,204,317.90/x - Step 3: Cross multiply
302,516,448.30x = 453,774,672.45 × 199,204,317.90 - Step 4: Simplify right side
302,516,448.30x = 90,393,874,105,698,176 - Step 5: Solve for x
x = 90,393,874,105,698,176/302,516,448.30 - Step 6: Final answer
x = 298,806,476.85
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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.