Finding the Fourth Proportional to 1,370,513,701,753.20, 1,891,354,265,964.30 and 753,238,299,435.36
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Solution
The fourth proportional to 1,370,513,701,753.20, 1,891,354,265,964.30 and 753,238,299,435.36 is: 1,039,493,781,858.82
Step by Step Solution
- Step 1: Write the proportion equation
1,370,513,701,753.20 : 1,891,354,265,964.30 = 753,238,299,435.36 : x - Step 2: Convert to fraction form
1,370,513,701,753.20/1,891,354,265,964.30 = 753,238,299,435.36/x - Step 3: Cross multiply
1,370,513,701,753.20x = 1,891,354,265,964.30 × 753,238,299,435.36 - Step 4: Simplify right side
1,370,513,701,753.20x = 1,424,640,470,924,762,957,217,792 - Step 5: Solve for x
x = 1,424,640,470,924,762,957,217,792/1,370,513,701,753.20 - Step 6: Final answer
x = 1,039,493,781,858.82
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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.