Finding the Fourth Proportional to 478,805,099.99, 718,237,992.57 and 202,404,801.02
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Solution
The fourth proportional to 478,805,099.99, 718,237,992.57 and 202,404,801.02 is: 303,620,028.22
Step by Step Solution
- Step 1: Write the proportion equation
478,805,099.99 : 718,237,992.57 = 202,404,801.02 : x - Step 2: Convert to fraction form
478,805,099.99/718,237,992.57 = 202,404,801.02/x - Step 3: Cross multiply
478,805,099.99x = 718,237,992.57 × 202,404,801.02 - Step 4: Simplify right side
478,805,099.99x = 145,374,817,973,514,784 - Step 5: Solve for x
x = 145,374,817,973,514,784/478,805,099.99 - Step 6: Final answer
x = 303,620,028.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.