Finding the Fourth Proportional to 703,552,464,636.95, 970,849,118,246.90 and 394,844,202,069.97
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Solution
The fourth proportional to 703,552,464,636.95, 970,849,118,246.90 and 394,844,202,069.97 is: 544,855,095,664.18
Step by Step Solution
- Step 1: Write the proportion equation
703,552,464,636.95 : 970,849,118,246.90 = 394,844,202,069.97 : x - Step 2: Convert to fraction form
703,552,464,636.95/970,849,118,246.90 = 394,844,202,069.97/x - Step 3: Cross multiply
703,552,464,636.95x = 970,849,118,246.90 × 394,844,202,069.97 - Step 4: Simplify right side
703,552,464,636.95x = 383,334,145,424,531,172,360,192 - Step 5: Solve for x
x = 383,334,145,424,531,172,360,192/703,552,464,636.95 - Step 6: Final answer
x = 544,855,095,664.18
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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.