Finding the Fourth Proportional to 1,670,141,118.42, 2,505,178,917.99 and 674,135,653.86
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Solution
The fourth proportional to 1,670,141,118.42, 2,505,178,917.99 and 674,135,653.86 is: 1,011,190,257.69
Step by Step Solution
- Step 1: Write the proportion equation
1,670,141,118.42 : 2,505,178,917.99 = 674,135,653.86 : x - Step 2: Convert to fraction form
1,670,141,118.42/2,505,178,917.99 = 674,135,653.86/x - Step 3: Cross multiply
1,670,141,118.42x = 2,505,178,917.99 × 674,135,653.86 - Step 4: Simplify right side
1,670,141,118.42x = 1,688,830,427,915,475,968 - Step 5: Solve for x
x = 1,688,830,427,915,475,968/1,670,141,118.42 - Step 6: Final answer
x = 1,011,190,257.69
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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.