Finding the Fourth Proportional to 463,569,734.16, 639,724,136.52 and 254,725,269.84
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Solution
The fourth proportional to 463,569,734.16, 639,724,136.52 and 254,725,269.84 is: 351,519,720.31
Step by Step Solution
- Step 1: Write the proportion equation
463,569,734.16 : 639,724,136.52 = 254,725,269.84 : x - Step 2: Convert to fraction form
463,569,734.16/639,724,136.52 = 254,725,269.84/x - Step 3: Cross multiply
463,569,734.16x = 639,724,136.52 × 254,725,269.84 - Step 4: Simplify right side
463,569,734.16x = 162,953,903,298,217,984 - Step 5: Solve for x
x = 162,953,903,298,217,984/463,569,734.16 - Step 6: Final answer
x = 351,519,720.31
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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.