Finding the Fourth Proportional to 399,641,288.24, 551,476,980.56 and 232,365,682.02
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Solution
The fourth proportional to 399,641,288.24, 551,476,980.56 and 232,365,682.02 is: 320,648,362.61
Step by Step Solution
- Step 1: Write the proportion equation
399,641,288.24 : 551,476,980.56 = 232,365,682.02 : x - Step 2: Convert to fraction form
399,641,288.24/551,476,980.56 = 232,365,682.02/x - Step 3: Cross multiply
399,641,288.24x = 551,476,980.56 × 232,365,682.02 - Step 4: Simplify right side
399,641,288.24x = 128,144,324,704,992,848 - Step 5: Solve for x
x = 128,144,324,704,992,848/399,641,288.24 - Step 6: Final answer
x = 320,648,362.61
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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.