Finding the Fourth Proportional to 463,528,635.75, 695,293,202.85 and 172,357,924.49
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Solution
The fourth proportional to 463,528,635.75, 695,293,202.85 and 172,357,924.49 is: 258,536,979.40
Step by Step Solution
- Step 1: Write the proportion equation
463,528,635.75 : 695,293,202.85 = 172,357,924.49 : x - Step 2: Convert to fraction form
463,528,635.75/695,293,202.85 = 172,357,924.49/x - Step 3: Cross multiply
463,528,635.75x = 695,293,202.85 × 172,357,924.49 - Step 4: Simplify right side
463,528,635.75x = 119,839,293,352,731,696 - Step 5: Solve for x
x = 119,839,293,352,731,696/463,528,635.75 - Step 6: Final answer
x = 258,536,979.40
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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.