Finding the Fourth Proportional to 611,847,907.30, 917,771,860.95 and 528,624,246.70
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Solution
The fourth proportional to 611,847,907.30, 917,771,860.95 and 528,624,246.70 is: 792,936,370.05
Step by Step Solution
- Step 1: Write the proportion equation
611,847,907.30 : 917,771,860.95 = 528,624,246.70 : x - Step 2: Convert to fraction form
611,847,907.30/917,771,860.95 = 528,624,246.70/x - Step 3: Cross multiply
611,847,907.30x = 917,771,860.95 × 528,624,246.70 - Step 4: Simplify right side
611,847,907.30x = 485,156,458,637,150,912 - Step 5: Solve for x
x = 485,156,458,637,150,912/611,847,907.30 - Step 6: Final answer
x = 792,936,370.05
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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.