Finding the Fourth Proportional to 578,602,542.74, 798,537,745.76 and 324,352,569.31
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Solution
The fourth proportional to 578,602,542.74, 798,537,745.76 and 324,352,569.31 is: 447,643,676.61
Step by Step Solution
- Step 1: Write the proportion equation
578,602,542.74 : 798,537,745.76 = 324,352,569.31 : x - Step 2: Convert to fraction form
578,602,542.74/798,537,745.76 = 324,352,569.31/x - Step 3: Cross multiply
578,602,542.74x = 798,537,745.76 × 324,352,569.31 - Step 4: Simplify right side
578,602,542.74x = 259,007,769,524,653,440 - Step 5: Solve for x
x = 259,007,769,524,653,440/578,602,542.74 - Step 6: Final answer
x = 447,643,676.61
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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.