Finding the Fourth Proportional to 1,332,503,280,292.90, 1,838,854,526,804.10 and 762,220,320,484.74
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Solution
The fourth proportional to 1,332,503,280,292.90, 1,838,854,526,804.10 and 762,220,320,484.74 is: 1,051,864,042,268.88
Step by Step Solution
- Step 1: Write the proportion equation
1,332,503,280,292.90 : 1,838,854,526,804.10 = 762,220,320,484.74 : x - Step 2: Convert to fraction form
1,332,503,280,292.90/1,838,854,526,804.10 = 762,220,320,484.74/x - Step 3: Cross multiply
1,332,503,280,292.90x = 1,838,854,526,804.10 × 762,220,320,484.74 - Step 4: Simplify right side
1,332,503,280,292.90x = 1,401,612,286,745,435,959,197,696 - Step 5: Solve for x
x = 1,401,612,286,745,435,959,197,696/1,332,503,280,292.90 - Step 6: Final answer
x = 1,051,864,042,268.88
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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.