Finding the Fourth Proportional to 1,149,726,005.70, 1,724,589,008.55 and 631,889,895.30
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Solution
The fourth proportional to 1,149,726,005.70, 1,724,589,008.55 and 631,889,895.30 is: 947,834,842.95
Step by Step Solution
- Step 1: Write the proportion equation
1,149,726,005.70 : 1,724,589,008.55 = 631,889,895.30 : x - Step 2: Convert to fraction form
1,149,726,005.70/1,724,589,008.55 = 631,889,895.30/x - Step 3: Cross multiply
1,149,726,005.70x = 1,724,589,008.55 × 631,889,895.30 - Step 4: Simplify right side
1,149,726,005.70x = 1,089,750,368,048,190,208 - Step 5: Solve for x
x = 1,089,750,368,048,190,208/1,149,726,005.70 - Step 6: Final answer
x = 947,834,842.95
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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.