Finding the Fourth Proportional to 660,049,732,429.20, 990,074,598,643.80 and 188,946,417,805.20
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Solution
The fourth proportional to 660,049,732,429.20, 990,074,598,643.80 and 188,946,417,805.20 is: 283,419,626,707.80
Step by Step Solution
- Step 1: Write the proportion equation
660,049,732,429.20 : 990,074,598,643.80 = 188,946,417,805.20 : x - Step 2: Convert to fraction form
660,049,732,429.20/990,074,598,643.80 = 188,946,417,805.20/x - Step 3: Cross multiply
660,049,732,429.20x = 990,074,598,643.80 × 188,946,417,805.20 - Step 4: Simplify right side
660,049,732,429.20x = 187,071,048,773,667,141,976,064 - Step 5: Solve for x
x = 187,071,048,773,667,141,976,064/660,049,732,429.20 - Step 6: Final answer
x = 283,419,626,707.80
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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.