Finding the Fourth Proportional to 754,487,580.56, 1,131,731,104.47 and 201,775,643.84
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Solution
The fourth proportional to 754,487,580.56, 1,131,731,104.47 and 201,775,643.84 is: 302,663,394.52
Step by Step Solution
- Step 1: Write the proportion equation
754,487,580.56 : 1,131,731,104.47 = 201,775,643.84 : x - Step 2: Convert to fraction form
754,487,580.56/1,131,731,104.47 = 201,775,643.84/x - Step 3: Cross multiply
754,487,580.56x = 1,131,731,104.47 × 201,775,643.84 - Step 4: Simplify right side
754,487,580.56x = 228,355,772,258,188,576 - Step 5: Solve for x
x = 228,355,772,258,188,576/754,487,580.56 - Step 6: Final answer
x = 302,663,394.52
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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.