Finding the Fourth Proportional to 2,642,292,167.60, 3,963,438,251.40 and 1,771,579,233.20
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Solution
The fourth proportional to 2,642,292,167.60, 3,963,438,251.40 and 1,771,579,233.20 is: 2,657,368,849.80
Step by Step Solution
- Step 1: Write the proportion equation
2,642,292,167.60 : 3,963,438,251.40 = 1,771,579,233.20 : x - Step 2: Convert to fraction form
2,642,292,167.60/3,963,438,251.40 = 1,771,579,233.20/x - Step 3: Cross multiply
2,642,292,167.60x = 3,963,438,251.40 × 1,771,579,233.20 - Step 4: Simplify right side
2,642,292,167.60x = 7,021,544,898,250,761,216 - Step 5: Solve for x
x = 7,021,544,898,250,761,216/2,642,292,167.60 - Step 6: Final answer
x = 2,657,368,849.80
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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.