Finding the Fourth Proportional to 3,440,207,473.12, 4,747,889,357.84 and 1,955,318,803.84
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Solution
The fourth proportional to 3,440,207,473.12, 4,747,889,357.84 and 1,955,318,803.84 is: 2,698,569,028.90
Step by Step Solution
- Step 1: Write the proportion equation
3,440,207,473.12 : 4,747,889,357.84 = 1,955,318,803.84 : x - Step 2: Convert to fraction form
3,440,207,473.12/4,747,889,357.84 = 1,955,318,803.84/x - Step 3: Cross multiply
3,440,207,473.12x = 4,747,889,357.84 × 1,955,318,803.84 - Step 4: Simplify right side
3,440,207,473.12x = 9,283,637,339,936,374,784 - Step 5: Solve for x
x = 9,283,637,339,936,374,784/3,440,207,473.12 - Step 6: Final answer
x = 2,698,569,028.90
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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.