Finding the Fourth Proportional to 1,089,024,816.28, 1,633,611,660.54 and 312,610,772.92
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Solution
The fourth proportional to 1,089,024,816.28, 1,633,611,660.54 and 312,610,772.92 is: 468,937,526.69
Step by Step Solution
- Step 1: Write the proportion equation
1,089,024,816.28 : 1,633,611,660.54 = 312,610,772.92 : x - Step 2: Convert to fraction form
1,089,024,816.28/1,633,611,660.54 = 312,610,772.92/x - Step 3: Cross multiply
1,089,024,816.28x = 1,633,611,660.54 × 312,610,772.92 - Step 4: Simplify right side
1,089,024,816.28x = 510,684,603,852,534,080 - Step 5: Solve for x
x = 510,684,603,852,534,080/1,089,024,816.28 - Step 6: Final answer
x = 468,937,526.69
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1.5x scale
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.