Finding the Fourth Proportional to 769,559,421.06, 1,061,963,549.82 and 417,127,845
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Solution
The fourth proportional to 769,559,421.06, 1,061,963,549.82 and 417,127,845 is: 575,621,004.54
Step by Step Solution
- Step 1: Write the proportion equation
769,559,421.06 : 1,061,963,549.82 = 417,127,845 : x - Step 2: Convert to fraction form
769,559,421.06/1,061,963,549.82 = 417,127,845/x - Step 3: Cross multiply
769,559,421.06x = 1,061,963,549.82 × 417,127,845 - Step 4: Simplify right side
769,559,421.06x = 442,974,567,004,966,784 - Step 5: Solve for x
x = 442,974,567,004,966,784/769,559,421.06 - Step 6: Final answer
x = 575,621,004.54
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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.