Finding the Fourth Proportional to 756,694,048.64, 1,044,263,552.45 and 439,129,707.62
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Solution
The fourth proportional to 756,694,048.64, 1,044,263,552.45 and 439,129,707.62 is: 606,013,948.82
Step by Step Solution
- Step 1: Write the proportion equation
756,694,048.64 : 1,044,263,552.45 = 439,129,707.62 : x - Step 2: Convert to fraction form
756,694,048.64/1,044,263,552.45 = 439,129,707.62/x - Step 3: Cross multiply
756,694,048.64x = 1,044,263,552.45 × 439,129,707.62 - Step 4: Simplify right side
756,694,048.64x = 458,567,148,458,174,080 - Step 5: Solve for x
x = 458,567,148,458,174,080/756,694,048.64 - Step 6: Final answer
x = 606,013,948.82
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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.