Finding the Fourth Proportional to 302,364,801.40, 453,547,202.10 and 205,618,919.80
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Solution
The fourth proportional to 302,364,801.40, 453,547,202.10 and 205,618,919.80 is: 308,428,379.70
Step by Step Solution
- Step 1: Write the proportion equation
302,364,801.40 : 453,547,202.10 = 205,618,919.80 : x - Step 2: Convert to fraction form
302,364,801.40/453,547,202.10 = 205,618,919.80/x - Step 3: Cross multiply
302,364,801.40x = 453,547,202.10 × 205,618,919.80 - Step 4: Simplify right side
302,364,801.40x = 93,257,885,774,114,304 - Step 5: Solve for x
x = 93,257,885,774,114,304/302,364,801.40 - Step 6: Final answer
x = 308,428,379.70
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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.