Finding the Fourth Proportional to 349,684,799.36, 482,628,206.40 and 208,565,075.84
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Solution
The fourth proportional to 349,684,799.36, 482,628,206.40 and 208,565,075.84 is: 287,857,489.53
Step by Step Solution
- Step 1: Write the proportion equation
349,684,799.36 : 482,628,206.40 = 208,565,075.84 : x - Step 2: Convert to fraction form
349,684,799.36/482,628,206.40 = 208,565,075.84/x - Step 3: Cross multiply
349,684,799.36x = 482,628,206.40 × 208,565,075.84 - Step 4: Simplify right side
349,684,799.36x = 100,659,388,470,339,168 - Step 5: Solve for x
x = 100,659,388,470,339,168/349,684,799.36 - Step 6: Final answer
x = 287,857,489.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.