Finding the Fourth Proportional to 2,129,913,684.36, 3,195,213,831.93 and 656,052,807.98
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Solution
The fourth proportional to 2,129,913,684.36, 3,195,213,831.93 and 656,052,807.98 is: 984,184,956.38
Step by Step Solution
- Step 1: Write the proportion equation
2,129,913,684.36 : 3,195,213,831.93 = 656,052,807.98 : x - Step 2: Convert to fraction form
2,129,913,684.36/3,195,213,831.93 = 656,052,807.98/x - Step 3: Cross multiply
2,129,913,684.36x = 3,195,213,831.93 × 656,052,807.98 - Step 4: Simplify right side
2,129,913,684.36x = 2,096,229,006,534,212,352 - Step 5: Solve for x
x = 2,096,229,006,534,212,352/2,129,913,684.36 - Step 6: Final answer
x = 984,184,956.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.