Finding the Fourth Proportional to 1,351,399,975.50, 2,027,106,712.86 and 478,002,148.68
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Solution
The fourth proportional to 1,351,399,975.50, 2,027,106,712.86 and 478,002,148.68 is: 717,005,610.42
Step by Step Solution
- Step 1: Write the proportion equation
1,351,399,975.50 : 2,027,106,712.86 = 478,002,148.68 : x - Step 2: Convert to fraction form
1,351,399,975.50/2,027,106,712.86 = 478,002,148.68/x - Step 3: Cross multiply
1,351,399,975.50x = 2,027,106,712.86 × 478,002,148.68 - Step 4: Simplify right side
1,351,399,975.50x = 968,961,364,350,731,776 - Step 5: Solve for x
x = 968,961,364,350,731,776/1,351,399,975.50 - Step 6: Final answer
x = 717,005,610.42
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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.