Finding the Fourth Proportional to 1,486,344,412.88, 2,051,214,391.56 and 817,344,305.92
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Solution
The fourth proportional to 1,486,344,412.88, 2,051,214,391.56 and 817,344,305.92 is: 1,127,967,642.38
Step by Step Solution
- Step 1: Write the proportion equation
1,486,344,412.88 : 2,051,214,391.56 = 817,344,305.92 : x - Step 2: Convert to fraction form
1,486,344,412.88/2,051,214,391.56 = 817,344,305.92/x - Step 3: Cross multiply
1,486,344,412.88x = 2,051,214,391.56 × 817,344,305.92 - Step 4: Simplify right side
1,486,344,412.88x = 1,676,548,403,162,723,072 - Step 5: Solve for x
x = 1,676,548,403,162,723,072/1,486,344,412.88 - Step 6: Final answer
x = 1,127,967,642.38
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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.