Finding the Fourth Proportional to 1,414,874,178.74, 1,952,533,937.84 and 811,996,727.29
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Solution
The fourth proportional to 1,414,874,178.74, 1,952,533,937.84 and 811,996,727.29 is: 1,120,559,828.76
Step by Step Solution
- Step 1: Write the proportion equation
1,414,874,178.74 : 1,952,533,937.84 = 811,996,727.29 : x - Step 2: Convert to fraction form
1,414,874,178.74/1,952,533,937.84 = 811,996,727.29/x - Step 3: Cross multiply
1,414,874,178.74x = 1,952,533,937.84 × 811,996,727.29 - Step 4: Simplify right side
1,414,874,178.74x = 1,585,451,167,443,691,264 - Step 5: Solve for x
x = 1,585,451,167,443,691,264/1,414,874,178.74 - Step 6: Final answer
x = 1,120,559,828.76
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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.