Finding the Fourth Proportional to 309,894,305.70, 464,841,458.55 and 309,894,305.70
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Solution
The fourth proportional to 309,894,305.70, 464,841,458.55 and 309,894,305.70 is: 464,841,458.55
Step by Step Solution
- Step 1: Write the proportion equation
309,894,305.70 : 464,841,458.55 = 309,894,305.70 : x - Step 2: Convert to fraction form
309,894,305.70/464,841,458.55 = 309,894,305.70/x - Step 3: Cross multiply
309,894,305.70x = 464,841,458.55 × 309,894,305.70 - Step 4: Simplify right side
309,894,305.70x = 144,051,721,057,927,584 - Step 5: Solve for x
x = 144,051,721,057,927,584/309,894,305.70 - Step 6: Final answer
x = 464,841,458.55
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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.