Finding the Fourth Proportional to 1,758,163,927,348.80, 2,637,439,382,786.40 and 641,716,453,684.80
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Solution
The fourth proportional to 1,758,163,927,348.80, 2,637,439,382,786.40 and 641,716,453,684.80 is: 962,645,303,548.28
Step by Step Solution
- Step 1: Write the proportion equation
1,758,163,927,348.80 : 2,637,439,382,786.40 = 641,716,453,684.80 : x - Step 2: Convert to fraction form
1,758,163,927,348.80/2,637,439,382,786.40 = 641,716,453,684.80/x - Step 3: Cross multiply
1,758,163,927,348.80x = 2,637,439,382,786.40 × 641,716,453,684.80 - Step 4: Simplify right side
1,758,163,927,348.80x = 1,692,488,247,530,316,328,075,264 - Step 5: Solve for x
x = 1,692,488,247,530,316,328,075,264/1,758,163,927,348.80 - Step 6: Final answer
x = 962,645,303,548.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.