Finding the Fourth Proportional to 2,192,307,634.81, 3,025,444,024.28 and 1,239,830,805.09
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Solution
The fourth proportional to 2,192,307,634.81, 3,025,444,024.28 and 1,239,830,805.09 is: 1,711,000,153.81
Step by Step Solution
- Step 1: Write the proportion equation
2,192,307,634.81 : 3,025,444,024.28 = 1,239,830,805.09 : x - Step 2: Convert to fraction form
2,192,307,634.81/3,025,444,024.28 = 1,239,830,805.09/x - Step 3: Cross multiply
2,192,307,634.81x = 3,025,444,024.28 × 1,239,830,805.09 - Step 4: Simplify right side
2,192,307,634.81x = 3,751,038,700,362,675,200 - Step 5: Solve for x
x = 3,751,038,700,362,675,200/2,192,307,634.81 - Step 6: Final answer
x = 1,711,000,153.81
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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.