Finding the Fourth Proportional to 559,405,988.70, 839,185,562.07 and 190,841,985.84
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Solution
The fourth proportional to 559,405,988.70, 839,185,562.07 and 190,841,985.84 is: 286,289,103.78
Step by Step Solution
- Step 1: Write the proportion equation
559,405,988.70 : 839,185,562.07 = 190,841,985.84 : x - Step 2: Convert to fraction form
559,405,988.70/839,185,562.07 = 190,841,985.84/x - Step 3: Cross multiply
559,405,988.70x = 839,185,562.07 × 190,841,985.84 - Step 4: Simplify right side
559,405,988.70x = 160,151,839,153,695,392 - Step 5: Solve for x
x = 160,151,839,153,695,392/559,405,988.70 - Step 6: Final answer
x = 286,289,103.78
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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.