Finding the Fourth Proportional to 368,291,732.93, 508,166,721.56 and 211,628,572.70
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Solution
The fourth proportional to 368,291,732.93, 508,166,721.56 and 211,628,572.70 is: 292,003,833.80
Step by Step Solution
- Step 1: Write the proportion equation
368,291,732.93 : 508,166,721.56 = 211,628,572.70 : x - Step 2: Convert to fraction form
368,291,732.93/508,166,721.56 = 211,628,572.70/x - Step 3: Cross multiply
368,291,732.93x = 508,166,721.56 × 211,628,572.70 - Step 4: Simplify right side
368,291,732.93x = 107,542,597,974,173,648 - Step 5: Solve for x
x = 107,542,597,974,173,648/368,291,732.93 - Step 6: Final answer
x = 292,003,833.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.