Finding the Fourth Proportional to 1,332,503,280,316.10, 1,838,854,526,836 and 762,220,320,508.08
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Solution
The fourth proportional to 1,332,503,280,316.10, 1,838,854,526,836 and 762,220,320,508.08 is: 1,051,864,042,301.03
Step by Step Solution
- Step 1: Write the proportion equation
1,332,503,280,316.10 : 1,838,854,526,836 = 762,220,320,508.08 : x - Step 2: Convert to fraction form
1,332,503,280,316.10/1,838,854,526,836 = 762,220,320,508.08/x - Step 3: Cross multiply
1,332,503,280,316.10x = 1,838,854,526,836 × 762,220,320,508.08 - Step 4: Simplify right side
1,332,503,280,316.10x = 1,401,612,286,812,669,645,684,736 - Step 5: Solve for x
x = 1,401,612,286,812,669,645,684,736/1,332,503,280,316.10 - Step 6: Final answer
x = 1,051,864,042,301.03
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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.