Finding the Fourth Proportional to 459,937,887.12, 634,723,912.08 and 251,102,831.76
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Solution
The fourth proportional to 459,937,887.12, 634,723,912.08 and 251,102,831.76 is: 346,527,164.15
Step by Step Solution
- Step 1: Write the proportion equation
459,937,887.12 : 634,723,912.08 = 251,102,831.76 : x - Step 2: Convert to fraction form
459,937,887.12/634,723,912.08 = 251,102,831.76/x - Step 3: Cross multiply
459,937,887.12x = 634,723,912.08 × 251,102,831.76 - Step 4: Simplify right side
459,937,887.12x = 159,380,971,709,073,280 - Step 5: Solve for x
x = 159,380,971,709,073,280/459,937,887.12 - Step 6: Final answer
x = 346,527,164.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.