Finding the Fourth Proportional to 1,330,028,057.48, 1,835,441,379.06 and 743,317,176.20
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Solution
The fourth proportional to 1,330,028,057.48, 1,835,441,379.06 and 743,317,176.20 is: 1,025,779,189.61
Step by Step Solution
- Step 1: Write the proportion equation
1,330,028,057.48 : 1,835,441,379.06 = 743,317,176.20 : x - Step 2: Convert to fraction form
1,330,028,057.48/1,835,441,379.06 = 743,317,176.20/x - Step 3: Cross multiply
1,330,028,057.48x = 1,835,441,379.06 × 743,317,176.20 - Step 4: Simplify right side
1,330,028,057.48x = 1,364,315,102,963,513,088 - Step 5: Solve for x
x = 1,364,315,102,963,513,088/1,330,028,057.48 - Step 6: Final answer
x = 1,025,779,189.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.