Finding the Fourth Proportional to 427,139,592.36, 589,475,524.21 and 238,956,660.26
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Solution
The fourth proportional to 427,139,592.36, 589,475,524.21 and 238,956,660.26 is: 329,772,994.80
Step by Step Solution
- Step 1: Write the proportion equation
427,139,592.36 : 589,475,524.21 = 238,956,660.26 : x - Step 2: Convert to fraction form
427,139,592.36/589,475,524.21 = 238,956,660.26/x - Step 3: Cross multiply
427,139,592.36x = 589,475,524.21 × 238,956,660.26 - Step 4: Simplify right side
427,139,592.36x = 140,859,102,570,234,384 - Step 5: Solve for x
x = 140,859,102,570,234,384/427,139,592.36 - Step 6: Final answer
x = 329,772,994.80
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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.