Finding the Fourth Proportional to 554,402,111.94, 765,074,929.68 and 306,883,466.19
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Solution
The fourth proportional to 554,402,111.94, 765,074,929.68 and 306,883,466.19 is: 423,499,191.76
Step by Step Solution
- Step 1: Write the proportion equation
554,402,111.94 : 765,074,929.68 = 306,883,466.19 : x - Step 2: Convert to fraction form
554,402,111.94/765,074,929.68 = 306,883,466.19/x - Step 3: Cross multiply
554,402,111.94x = 765,074,929.68 × 306,883,466.19 - Step 4: Simplify right side
554,402,111.94x = 234,788,846,315,268,896 - Step 5: Solve for x
x = 234,788,846,315,268,896/554,402,111.94 - Step 6: Final answer
x = 423,499,191.76
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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.