Finding the Fourth Proportional to 839,960,736.24, 1,260,001,639.16 and 322,391,176.73
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Solution
The fourth proportional to 839,960,736.24, 1,260,001,639.16 and 322,391,176.73 is: 483,609,999.37
Step by Step Solution
- Step 1: Write the proportion equation
839,960,736.24 : 1,260,001,639.16 = 322,391,176.73 : x - Step 2: Convert to fraction form
839,960,736.24/1,260,001,639.16 = 322,391,176.73/x - Step 3: Cross multiply
839,960,736.24x = 1,260,001,639.16 × 322,391,176.73 - Step 4: Simplify right side
839,960,736.24x = 406,213,411,122,609,280 - Step 5: Solve for x
x = 406,213,411,122,609,280/839,960,736.24 - Step 6: Final answer
x = 483,609,999.37
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1.5x scale
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.