Finding the Fourth Proportional to 2,253,457,499.41, 3,106,178,203.51 and 1,776,369,849.11
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Solution
The fourth proportional to 2,253,457,499.41, 3,106,178,203.51 and 1,776,369,849.11 is: 2,448,557,963.99
Step by Step Solution
- Step 1: Write the proportion equation
2,253,457,499.41 : 3,106,178,203.51 = 1,776,369,849.11 : x - Step 2: Convert to fraction form
2,253,457,499.41/3,106,178,203.51 = 1,776,369,849.11/x - Step 3: Cross multiply
2,253,457,499.41x = 3,106,178,203.51 × 1,776,369,849.11 - Step 4: Simplify right side
2,253,457,499.41x = 5,517,721,306,683,857,920 - Step 5: Solve for x
x = 5,517,721,306,683,857,920/2,253,457,499.41 - Step 6: Final answer
x = 2,448,557,963.99
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1.5x scale
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.