Finding the Fourth Proportional to 9,482,437,208,634.40, 13,085,763,346,647 and 5,371,763,564,392.80
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Solution
The fourth proportional to 9,482,437,208,634.40, 13,085,763,346,647 and 5,371,763,564,392.80 is: 7,413,033,718,143.48
Step by Step Solution
- Step 1: Write the proportion equation
9,482,437,208,634.40 : 13,085,763,346,647 = 5,371,763,564,392.80 : x - Step 2: Convert to fraction form
9,482,437,208,634.40/13,085,763,346,647 = 5,371,763,564,392.80/x - Step 3: Cross multiply
9,482,437,208,634.40x = 13,085,763,346,647 × 5,371,763,564,392.80 - Step 4: Simplify right side
9,482,437,208,634.40x = 70,293,626,757,785,144,103,272,448 - Step 5: Solve for x
x = 70,293,626,757,785,144,103,272,448/9,482,437,208,634.40 - Step 6: Final answer
x = 7,413,033,718,143.48
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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.