Finding the Fourth Proportional to 291,128,262,975.18, 436,714,351,366.86 and 86,905,325,477.88
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Solution
The fourth proportional to 291,128,262,975.18, 436,714,351,366.86 and 86,905,325,477.88 is: 130,364,542,619.60
Step by Step Solution
- Step 1: Write the proportion equation
291,128,262,975.18 : 436,714,351,366.86 = 86,905,325,477.88 : x - Step 2: Convert to fraction form
291,128,262,975.18/436,714,351,366.86 = 86,905,325,477.88/x - Step 3: Cross multiply
291,128,262,975.18x = 436,714,351,366.86 × 86,905,325,477.88 - Step 4: Simplify right side
291,128,262,975.18x = 37,952,802,846,398,218,240,000 - Step 5: Solve for x
x = 37,952,802,846,398,218,240,000/291,128,262,975.18 - Step 6: Final answer
x = 130,364,542,619.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.