Finding the Fourth Proportional to 372,175,490.16, 513,593,737.68 and 233,023,037.04
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Solution
The fourth proportional to 372,175,490.16, 513,593,737.68 and 233,023,037.04 is: 321,566,507.53
Step by Step Solution
- Step 1: Write the proportion equation
372,175,490.16 : 513,593,737.68 = 233,023,037.04 : x - Step 2: Convert to fraction form
372,175,490.16/513,593,737.68 = 233,023,037.04/x - Step 3: Cross multiply
372,175,490.16x = 513,593,737.68 × 233,023,037.04 - Step 4: Simplify right side
372,175,490.16x = 119,679,172,558,918,688 - Step 5: Solve for x
x = 119,679,172,558,918,688/372,175,490.16 - Step 6: Final answer
x = 321,566,507.53
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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.