Finding the Fourth Proportional to 357,754,160,566.28, 493,702,342,947.99 and 195,173,313,807.21
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Solution
The fourth proportional to 357,754,160,566.28, 493,702,342,947.99 and 195,173,313,807.21 is: 269,340,046,681.84
Step by Step Solution
- Step 1: Write the proportion equation
357,754,160,566.28 : 493,702,342,947.99 = 195,173,313,807.21 : x - Step 2: Convert to fraction form
357,754,160,566.28/493,702,342,947.99 = 195,173,313,807.21/x - Step 3: Cross multiply
357,754,160,566.28x = 493,702,342,947.99 × 195,173,313,807.21 - Step 4: Simplify right side
357,754,160,566.28x = 96,357,522,307,542,857,809,920 - Step 5: Solve for x
x = 96,357,522,307,542,857,809,920/357,754,160,566.28 - Step 6: Final answer
x = 269,340,046,681.84
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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.