Finding the Fourth Proportional to 2,642,194,808.10, 3,963,292,212.15 and 1,771,481,873.70
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Solution
The fourth proportional to 2,642,194,808.10, 3,963,292,212.15 and 1,771,481,873.70 is: 2,657,222,810.55
Step by Step Solution
- Step 1: Write the proportion equation
2,642,194,808.10 : 3,963,292,212.15 = 1,771,481,873.70 : x - Step 2: Convert to fraction form
2,642,194,808.10/3,963,292,212.15 = 1,771,481,873.70/x - Step 3: Cross multiply
2,642,194,808.10x = 3,963,292,212.15 × 1,771,481,873.70 - Step 4: Simplify right side
2,642,194,808.10x = 7,020,900,314,000,100,352 - Step 5: Solve for x
x = 7,020,900,314,000,100,352/2,642,194,808.10 - Step 6: Final answer
x = 2,657,222,810.55
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1.5x scale
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.