Finding the Fourth Proportional to 1,414,920,189.70, 2,122,774,021.68 and 617,307,117.94
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Solution
The fourth proportional to 1,414,920,189.70, 2,122,774,021.68 and 617,307,117.94 is: 926,132,458.14
Step by Step Solution
- Step 1: Write the proportion equation
1,414,920,189.70 : 2,122,774,021.68 = 617,307,117.94 : x - Step 2: Convert to fraction form
1,414,920,189.70/2,122,774,021.68 = 617,307,117.94/x - Step 3: Cross multiply
1,414,920,189.70x = 2,122,774,021.68 × 617,307,117.94 - Step 4: Simplify right side
1,414,920,189.70x = 1,310,403,513,361,184,000 - Step 5: Solve for x
x = 1,310,403,513,361,184,000/1,414,920,189.70 - Step 6: Final answer
x = 926,132,458.14
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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.