Finding the Fourth Proportional to 368,428,652.96, 508,438,617.98 and 201,171,545.80
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Solution
The fourth proportional to 368,428,652.96, 508,438,617.98 and 201,171,545.80 is: 277,620,597.37
Step by Step Solution
- Step 1: Write the proportion equation
368,428,652.96 : 508,438,617.98 = 201,171,545.80 : x - Step 2: Convert to fraction form
368,428,652.96/508,438,617.98 = 201,171,545.80/x - Step 3: Cross multiply
368,428,652.96x = 508,438,617.98 × 201,171,545.80 - Step 4: Simplify right side
368,428,652.96x = 102,283,382,721,175,328 - Step 5: Solve for x
x = 102,283,382,721,175,328/368,428,652.96 - Step 6: Final answer
x = 277,620,597.37
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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.