Finding the Fourth Proportional to 542,867,368.06, 814,576,072.14 and 247,729,781.20
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Solution
The fourth proportional to 542,867,368.06, 814,576,072.14 and 247,729,781.20 is: 371,720,173.28
Step by Step Solution
- Step 1: Write the proportion equation
542,867,368.06 : 814,576,072.14 = 247,729,781.20 : x - Step 2: Convert to fraction form
542,867,368.06/814,576,072.14 = 247,729,781.20/x - Step 3: Cross multiply
542,867,368.06x = 814,576,072.14 × 247,729,781.20 - Step 4: Simplify right side
542,867,368.06x = 201,794,752,121,058,208 - Step 5: Solve for x
x = 201,794,752,121,058,208/542,867,368.06 - Step 6: Final answer
x = 371,720,173.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.