Finding the Fourth Proportional to 783,044,888.41, 1,080,630,356.52 and 448,582,051.99
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Solution
The fourth proportional to 783,044,888.41, 1,080,630,356.52 and 448,582,051.99 is: 619,059,507.25
Step by Step Solution
- Step 1: Write the proportion equation
783,044,888.41 : 1,080,630,356.52 = 448,582,051.99 : x - Step 2: Convert to fraction form
783,044,888.41/1,080,630,356.52 = 448,582,051.99/x - Step 3: Cross multiply
783,044,888.41x = 1,080,630,356.52 × 448,582,051.99 - Step 4: Simplify right side
783,044,888.41x = 484,751,382,770,426,880 - Step 5: Solve for x
x = 484,751,382,770,426,880/783,044,888.41 - Step 6: Final answer
x = 619,059,507.25
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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.