Finding the Fourth Proportional to 645,790,193.53, 968,839,248.08 and 209,091,009.18
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Solution
The fourth proportional to 645,790,193.53, 968,839,248.08 and 209,091,009.18 is: 313,686,361.52
Step by Step Solution
- Step 1: Write the proportion equation
645,790,193.53 : 968,839,248.08 = 209,091,009.18 : x - Step 2: Convert to fraction form
645,790,193.53/968,839,248.08 = 209,091,009.18/x - Step 3: Cross multiply
645,790,193.53x = 968,839,248.08 × 209,091,009.18 - Step 4: Simplify right side
645,790,193.53x = 202,575,576,114,239,584 - Step 5: Solve for x
x = 202,575,576,114,239,584/645,790,193.53 - Step 6: Final answer
x = 313,686,361.52
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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.