Finding the Fourth Proportional to 1,711,209,913,756.20, 2,361,526,313,967.20 and 940,485,924,152.62
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Solution
The fourth proportional to 1,711,209,913,756.20, 2,361,526,313,967.20 and 940,485,924,152.62 is: 1,297,901,700,982.43
Step by Step Solution
- Step 1: Write the proportion equation
1,711,209,913,756.20 : 2,361,526,313,967.20 = 940,485,924,152.62 : x - Step 2: Convert to fraction form
1,711,209,913,756.20/2,361,526,313,967.20 = 940,485,924,152.62/x - Step 3: Cross multiply
1,711,209,913,756.20x = 2,361,526,313,967.20 × 940,485,924,152.62 - Step 4: Simplify right side
1,711,209,913,756.20x = 2,220,982,257,802,172,512,075,776 - Step 5: Solve for x
x = 2,220,982,257,802,172,512,075,776/1,711,209,913,756.20 - Step 6: Final answer
x = 1,297,901,700,982.43
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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.