Finding the Fourth Proportional to 1,749,881,798.84, 2,625,083,698.26 and 644,401,655.48
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Solution
The fourth proportional to 1,749,881,798.84, 2,625,083,698.26 and 644,401,655.48 is: 966,698,597.62
Step by Step Solution
- Step 1: Write the proportion equation
1,749,881,798.84 : 2,625,083,698.26 = 644,401,655.48 : x - Step 2: Convert to fraction form
1,749,881,798.84/2,625,083,698.26 = 644,401,655.48/x - Step 3: Cross multiply
1,749,881,798.84x = 2,625,083,698.26 × 644,401,655.48 - Step 4: Simplify right side
1,749,881,798.84x = 1,691,608,280,932,304,896 - Step 5: Solve for x
x = 1,691,608,280,932,304,896/1,749,881,798.84 - Step 6: Final answer
x = 966,698,597.62
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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.