Finding the Fourth Proportional to 278,883,635.41, 417,840,660.66 and 195,708,985.48
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Solution
The fourth proportional to 278,883,635.41, 417,840,660.66 and 195,708,985.48 is: 293,223,270.95
Step by Step Solution
- Step 1: Write the proportion equation
278,883,635.41 : 417,840,660.66 = 195,708,985.48 : x - Step 2: Convert to fraction form
278,883,635.41/417,840,660.66 = 195,708,985.48/x - Step 3: Cross multiply
278,883,635.41x = 417,840,660.66 × 195,708,985.48 - Step 4: Simplify right side
278,883,635.41x = 81,775,171,787,972,352 - Step 5: Solve for x
x = 81,775,171,787,972,352/278,883,635.41 - Step 6: Final answer
x = 293,223,270.95
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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.