Finding the Fourth Proportional to 859,413,669,698.28, 1,185,994,551,331.30 and 468,788,746,121.31
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Solution
The fourth proportional to 859,413,669,698.28, 1,185,994,551,331.30 and 468,788,746,121.31 is: 646,930,480,894.61
Step by Step Solution
- Step 1: Write the proportion equation
859,413,669,698.28 : 1,185,994,551,331.30 = 468,788,746,121.31 : x - Step 2: Convert to fraction form
859,413,669,698.28/1,185,994,551,331.30 = 468,788,746,121.31/x - Step 3: Cross multiply
859,413,669,698.28x = 1,185,994,551,331.30 × 468,788,746,121.31 - Step 4: Simplify right side
859,413,669,698.28x = 555,980,898,625,305,765,216,256 - Step 5: Solve for x
x = 555,980,898,625,305,765,216,256/859,413,669,698.28 - Step 6: Final answer
x = 646,930,480,894.61
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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.