Finding the Fourth Proportional to 1,043,995,747.74, 1,440,721,626.64 and 567,682,703.46
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Solution
The fourth proportional to 1,043,995,747.74, 1,440,721,626.64 and 567,682,703.46 is: 783,406,206.12
Step by Step Solution
- Step 1: Write the proportion equation
1,043,995,747.74 : 1,440,721,626.64 = 567,682,703.46 : x - Step 2: Convert to fraction form
1,043,995,747.74/1,440,721,626.64 = 567,682,703.46/x - Step 3: Cross multiply
1,043,995,747.74x = 1,440,721,626.64 × 567,682,703.46 - Step 4: Simplify right side
1,043,995,747.74x = 817,872,747,940,646,272 - Step 5: Solve for x
x = 817,872,747,940,646,272/1,043,995,747.74 - Step 6: Final answer
x = 783,406,206.12
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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.