Finding the Fourth Proportional to 1,663,341,145.07, 2,295,428,920.07 and 920,797,608.11
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Solution
The fourth proportional to 1,663,341,145.07, 2,295,428,920.07 and 920,797,608.11 is: 1,270,710,741.11
Step by Step Solution
- Step 1: Write the proportion equation
1,663,341,145.07 : 2,295,428,920.07 = 920,797,608.11 : x - Step 2: Convert to fraction form
1,663,341,145.07/2,295,428,920.07 = 920,797,608.11/x - Step 3: Cross multiply
1,663,341,145.07x = 2,295,428,920.07 × 920,797,608.11 - Step 4: Simplify right side
1,663,341,145.07x = 2,113,625,459,170,895,360 - Step 5: Solve for x
x = 2,113,625,459,170,895,360/1,663,341,145.07 - Step 6: Final answer
x = 1,270,710,741.11
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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.