Finding the Fourth Proportional to 802,842,477.99, 1,107,832,759.93 and 445,625,312.84
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Solution
The fourth proportional to 802,842,477.99, 1,107,832,759.93 and 445,625,312.84 is: 614,913,054.25
Step by Step Solution
- Step 1: Write the proportion equation
802,842,477.99 : 1,107,832,759.93 = 445,625,312.84 : x - Step 2: Convert to fraction form
802,842,477.99/1,107,832,759.93 = 445,625,312.84/x - Step 3: Cross multiply
802,842,477.99x = 1,107,832,759.93 × 445,625,312.84 - Step 4: Simplify right side
802,842,477.99x = 493,678,320,217,401,344 - Step 5: Solve for x
x = 493,678,320,217,401,344/802,842,477.99 - Step 6: Final answer
x = 614,913,054.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.