Finding the Fourth Proportional to 554,844,315.23, 765,679,059.34 and 300,519,344.62
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Solution
The fourth proportional to 554,844,315.23, 765,679,059.34 and 300,519,344.62 is: 414,713,393.99
Step by Step Solution
- Step 1: Write the proportion equation
554,844,315.23 : 765,679,059.34 = 300,519,344.62 : x - Step 2: Convert to fraction form
554,844,315.23/765,679,059.34 = 300,519,344.62/x - Step 3: Cross multiply
554,844,315.23x = 765,679,059.34 × 300,519,344.62 - Step 4: Simplify right side
554,844,315.23x = 230,101,369,103,447,616 - Step 5: Solve for x
x = 230,101,369,103,447,616/554,844,315.23 - Step 6: Final answer
x = 414,713,393.99
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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.