Finding the Fourth Proportional to 456,161,603.73, 629,515,408.40 and 257,952,752.07
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Solution
The fourth proportional to 456,161,603.73, 629,515,408.40 and 257,952,752.07 is: 355,981,807.19
Step by Step Solution
- Step 1: Write the proportion equation
456,161,603.73 : 629,515,408.40 = 257,952,752.07 : x - Step 2: Convert to fraction form
456,161,603.73/629,515,408.40 = 257,952,752.07/x - Step 3: Cross multiply
456,161,603.73x = 629,515,408.40 × 257,952,752.07 - Step 4: Simplify right side
456,161,603.73x = 162,385,232,067,249,984 - Step 5: Solve for x
x = 162,385,232,067,249,984/456,161,603.73 - Step 6: Final answer
x = 355,981,807.19
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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.